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generic: backport for mac80211 v6.14.5
This is needed for mac80211 v6.14.5 update. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
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From b35108a51cf7bab58d7eace1267d7965978bcdb8 Mon Sep 17 00:00:00 2001
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From: Easwar Hariharan <eahariha@linux.microsoft.com>
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Date: Wed, 30 Oct 2024 17:47:35 +0000
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Subject: [PATCH] jiffies: Define secs_to_jiffies()
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secs_to_jiffies() is defined in hci_event.c and cannot be reused by
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other call sites. Hoist it into the core code to allow conversion of the
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~1150 usages of msecs_to_jiffies() that either:
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- use a multiplier value of 1000 or equivalently MSEC_PER_SEC, or
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- have timeouts that are denominated in seconds (i.e. end in 000)
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It's implemented as a macro to allow usage in static initializers.
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This will also allow conversion of yet more sites that use (sec * HZ)
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directly, and improve their readability.
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Suggested-by: Michael Kelley <mhklinux@outlook.com>
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Signed-off-by: Easwar Hariharan <eahariha@linux.microsoft.com>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Reviewed-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Link: https://lore.kernel.org/all/20241030-open-coded-timeouts-v3-1-9ba123facf88@linux.microsoft.com
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---
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include/linux/jiffies.h | 13 +++++++++++++
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net/bluetooth/hci_event.c | 2 --
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2 files changed, 13 insertions(+), 2 deletions(-)
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--- a/include/linux/jiffies.h
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+++ b/include/linux/jiffies.h
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@@ -526,6 +526,19 @@ static __always_inline unsigned long mse
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}
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}
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+/**
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+ * secs_to_jiffies: - convert seconds to jiffies
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+ * @_secs: time in seconds
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+ *
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+ * Conversion is done by simple multiplication with HZ
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+ *
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+ * secs_to_jiffies() is defined as a macro rather than a static inline
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+ * function so it can be used in static initializers.
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+ *
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+ * Return: jiffies value
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+ */
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+#define secs_to_jiffies(_secs) ((_secs) * HZ)
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+
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extern unsigned long __usecs_to_jiffies(const unsigned int u);
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#if !(USEC_PER_SEC % HZ)
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static inline unsigned long _usecs_to_jiffies(const unsigned int u)
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--- a/net/bluetooth/hci_event.c
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+++ b/net/bluetooth/hci_event.c
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@@ -42,8 +42,6 @@
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#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
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"\x00\x00\x00\x00\x00\x00\x00\x00"
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-#define secs_to_jiffies(_secs) msecs_to_jiffies((_secs) * 1000)
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-
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/* Handle HCI Event packets */
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static void *hci_ev_skb_pull(struct hci_dev *hdev, struct sk_buff *skb,
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@ -0,0 +1,35 @@
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From bb2784d9ab49587ba4fbff37a319fff2924db289 Mon Sep 17 00:00:00 2001
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From: Easwar Hariharan <eahariha@linux.microsoft.com>
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Date: Thu, 30 Jan 2025 19:26:58 +0000
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Subject: [PATCH] jiffies: Cast to unsigned long in secs_to_jiffies()
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conversion
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While converting users of msecs_to_jiffies(), lkp reported that some range
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checks would always be true because of the mismatch between the implied int
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value of secs_to_jiffies() vs the unsigned long return value of the
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msecs_to_jiffies() calls it was replacing.
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Fix this by casting the secs_to_jiffies() input value to unsigned long.
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Fixes: b35108a51cf7ba ("jiffies: Define secs_to_jiffies()")
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Reported-by: kernel test robot <lkp@intel.com>
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Signed-off-by: Easwar Hariharan <eahariha@linux.microsoft.com>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Cc: stable@vger.kernel.org
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Link: https://lore.kernel.org/all/20250130192701.99626-1-eahariha@linux.microsoft.com
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Closes: https://lore.kernel.org/oe-kbuild-all/202501301334.NB6NszQR-lkp@intel.com/
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---
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include/linux/jiffies.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/include/linux/jiffies.h
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+++ b/include/linux/jiffies.h
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@@ -537,7 +537,7 @@ static __always_inline unsigned long mse
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*
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* Return: jiffies value
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*/
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-#define secs_to_jiffies(_secs) ((_secs) * HZ)
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+#define secs_to_jiffies(_secs) (unsigned long)((_secs) * HZ)
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extern unsigned long __usecs_to_jiffies(const unsigned int u);
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#if !(USEC_PER_SEC % HZ)
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@ -0,0 +1,60 @@
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From b35108a51cf7bab58d7eace1267d7965978bcdb8 Mon Sep 17 00:00:00 2001
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From: Easwar Hariharan <eahariha@linux.microsoft.com>
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Date: Wed, 30 Oct 2024 17:47:35 +0000
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Subject: [PATCH] jiffies: Define secs_to_jiffies()
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secs_to_jiffies() is defined in hci_event.c and cannot be reused by
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other call sites. Hoist it into the core code to allow conversion of the
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~1150 usages of msecs_to_jiffies() that either:
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- use a multiplier value of 1000 or equivalently MSEC_PER_SEC, or
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- have timeouts that are denominated in seconds (i.e. end in 000)
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It's implemented as a macro to allow usage in static initializers.
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This will also allow conversion of yet more sites that use (sec * HZ)
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directly, and improve their readability.
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Suggested-by: Michael Kelley <mhklinux@outlook.com>
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Signed-off-by: Easwar Hariharan <eahariha@linux.microsoft.com>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Reviewed-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Link: https://lore.kernel.org/all/20241030-open-coded-timeouts-v3-1-9ba123facf88@linux.microsoft.com
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---
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include/linux/jiffies.h | 13 +++++++++++++
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net/bluetooth/hci_event.c | 2 --
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2 files changed, 13 insertions(+), 2 deletions(-)
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--- a/include/linux/jiffies.h
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+++ b/include/linux/jiffies.h
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@@ -523,6 +523,19 @@ static __always_inline unsigned long mse
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}
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}
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+/**
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+ * secs_to_jiffies: - convert seconds to jiffies
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+ * @_secs: time in seconds
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+ *
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+ * Conversion is done by simple multiplication with HZ
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+ *
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+ * secs_to_jiffies() is defined as a macro rather than a static inline
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+ * function so it can be used in static initializers.
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+ *
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+ * Return: jiffies value
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+ */
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+#define secs_to_jiffies(_secs) ((_secs) * HZ)
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+
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extern unsigned long __usecs_to_jiffies(const unsigned int u);
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#if !(USEC_PER_SEC % HZ)
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static inline unsigned long _usecs_to_jiffies(const unsigned int u)
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--- a/net/bluetooth/hci_event.c
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+++ b/net/bluetooth/hci_event.c
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@@ -43,8 +43,6 @@
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#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
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"\x00\x00\x00\x00\x00\x00\x00\x00"
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-#define secs_to_jiffies(_secs) msecs_to_jiffies((_secs) * 1000)
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-
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/* Handle HCI Event packets */
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static void *hci_ev_skb_pull(struct hci_dev *hdev, struct sk_buff *skb,
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@ -0,0 +1,35 @@
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From bb2784d9ab49587ba4fbff37a319fff2924db289 Mon Sep 17 00:00:00 2001
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From: Easwar Hariharan <eahariha@linux.microsoft.com>
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Date: Thu, 30 Jan 2025 19:26:58 +0000
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Subject: [PATCH] jiffies: Cast to unsigned long in secs_to_jiffies()
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conversion
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While converting users of msecs_to_jiffies(), lkp reported that some range
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checks would always be true because of the mismatch between the implied int
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value of secs_to_jiffies() vs the unsigned long return value of the
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msecs_to_jiffies() calls it was replacing.
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Fix this by casting the secs_to_jiffies() input value to unsigned long.
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Fixes: b35108a51cf7ba ("jiffies: Define secs_to_jiffies()")
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Reported-by: kernel test robot <lkp@intel.com>
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Signed-off-by: Easwar Hariharan <eahariha@linux.microsoft.com>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Cc: stable@vger.kernel.org
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Link: https://lore.kernel.org/all/20250130192701.99626-1-eahariha@linux.microsoft.com
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Closes: https://lore.kernel.org/oe-kbuild-all/202501301334.NB6NszQR-lkp@intel.com/
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---
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include/linux/jiffies.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/include/linux/jiffies.h
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+++ b/include/linux/jiffies.h
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@@ -534,7 +534,7 @@ static __always_inline unsigned long mse
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*
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* Return: jiffies value
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*/
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-#define secs_to_jiffies(_secs) ((_secs) * HZ)
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+#define secs_to_jiffies(_secs) (unsigned long)((_secs) * HZ)
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extern unsigned long __usecs_to_jiffies(const unsigned int u);
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#if !(USEC_PER_SEC % HZ)
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From 9934a1bd45b2b03f6d1204a6ae2780d3b009799f Mon Sep 17 00:00:00 2001
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From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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Date: Mon, 5 Aug 2024 10:57:31 +0200
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Subject: [PATCH] clk: provide devm_clk_get_optional_enabled_with_rate()
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There are clock users in the kernel that can't use
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devm_clk_get_optional_enabled() as they need to set rate after getting
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the clock and before enabling it. Provide a managed helper that wraps
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these operations in the correct order.
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Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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Link: https://lore.kernel.org/r/20240805-clk-new-helper-v2-1-e5fdd1e1d729@linaro.org
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Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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---
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drivers/clk/clk-devres.c | 28 ++++++++++++++++++++++++++++
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include/linux/clk.h | 33 +++++++++++++++++++++++++++++++++
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2 files changed, 61 insertions(+)
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--- a/drivers/clk/clk-devres.c
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+++ b/drivers/clk/clk-devres.c
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@@ -99,6 +99,34 @@ struct clk *devm_clk_get_optional_enable
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}
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EXPORT_SYMBOL_GPL(devm_clk_get_optional_enabled);
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+struct clk *devm_clk_get_optional_enabled_with_rate(struct device *dev,
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+ const char *id,
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+ unsigned long rate)
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+{
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+ struct clk *clk;
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+ int ret;
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+
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+ clk = __devm_clk_get(dev, id, clk_get_optional, NULL,
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+ clk_disable_unprepare);
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+ if (IS_ERR(clk))
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+ return ERR_CAST(clk);
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+
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+ ret = clk_set_rate(clk, rate);
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+ if (ret)
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+ goto out_put_clk;
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+
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+ ret = clk_prepare_enable(clk);
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+ if (ret)
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+ goto out_put_clk;
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+
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+ return clk;
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+
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+out_put_clk:
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+ devm_clk_put(dev, clk);
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+ return ERR_PTR(ret);
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+}
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+EXPORT_SYMBOL_GPL(devm_clk_get_optional_enabled_with_rate);
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+
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struct clk_bulk_devres {
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struct clk_bulk_data *clks;
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int num_clks;
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--- a/include/linux/clk.h
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+++ b/include/linux/clk.h
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@@ -608,6 +608,32 @@ struct clk *devm_clk_get_optional_prepar
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struct clk *devm_clk_get_optional_enabled(struct device *dev, const char *id);
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/**
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+ * devm_clk_get_optional_enabled_with_rate - devm_clk_get_optional() +
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+ * clk_set_rate() +
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+ * clk_prepare_enable()
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+ * @dev: device for clock "consumer"
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+ * @id: clock consumer ID
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+ * @rate: new clock rate
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+ *
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+ * Context: May sleep.
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+ *
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+ * Return: a struct clk corresponding to the clock producer, or
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+ * valid IS_ERR() condition containing errno. The implementation
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+ * uses @dev and @id to determine the clock consumer, and thereby
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+ * the clock producer. If no such clk is found, it returns NULL
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+ * which serves as a dummy clk. That's the only difference compared
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+ * to devm_clk_get_enabled().
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+ *
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+ * The returned clk (if valid) is prepared and enabled and rate was set.
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+ *
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+ * The clock will automatically be disabled, unprepared and freed
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+ * when the device is unbound from the bus.
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+ */
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+struct clk *devm_clk_get_optional_enabled_with_rate(struct device *dev,
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+ const char *id,
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+ unsigned long rate);
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+
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+/**
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* devm_get_clk_from_child - lookup and obtain a managed reference to a
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* clock producer from child node.
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* @dev: device for clock "consumer"
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@@ -948,6 +974,13 @@ static inline struct clk *devm_clk_get_o
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{
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return NULL;
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}
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+
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+static inline struct clk *
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+devm_clk_get_optional_enabled_with_rate(struct device *dev, const char *id,
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+ unsigned long rate)
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+{
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+ return NULL;
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+}
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static inline int __must_check devm_clk_bulk_get(struct device *dev, int num_clks,
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struct clk_bulk_data *clks)
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