lede/target/linux/generic/pending-4.14/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch
CN_SZTL 12d0742fd5
kernel: bump to 4.14.195, 5.4.60 (#5376)
* kernel: bump 5.4 to 5.4.60

Deleted upstream patches:
  generic:
    041-genirq-affinity-Make-affinity-setting-if-activated-o.patch
  ipq806x:
    093-5-v5.8-ipq806x-PCI-qcom-Define-some-PARF-params-needed-for-ipq8064-SoC.patch
    093-6-v5.8-ipq806x-PCI-qcom-Add-support-for-tx-term-offset-for-rev-2_1_0.patch

Merged manually:
  ipq806x:
    093-4-v5.8-ipq806x-PCI-qcom-Use-bulk-clk-api-and-assert-on-error.patch
  layerscape:
    804-crypto-0016-MLKU-114-1-crypto-caam-reduce-page-0-regs-access-to-.patch

Build-tested: ath79/generic, ipq806x, layerscape/armv7, layerscape/armv8_64b
Run-tested: ipq806x (R7800)

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

* kernel: Update kernel 4.14 to version 4.14.195

Compile and runtime tested on lantiq/xrx200 and x86/64.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

Co-authored-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Co-authored-by: Hauke Mehrtens <hauke@hauke-m.de>
2020-08-30 21:16:31 +08:00

21 lines
668 B
Diff

From: Felix Fietkau <nbd@nbd.name>
Subject: spi: use gpio_set_value_cansleep for setting chipselect GPIO
Sleeping is safe inside spi_transfer_one_message, and some GPIO chips
need to sleep for setting values
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -741,7 +741,7 @@ static void spi_set_cs(struct spi_device
enable = !enable;
if (gpio_is_valid(spi->cs_gpio)) {
- gpio_set_value(spi->cs_gpio, !enable);
+ gpio_set_value_cansleep(spi->cs_gpio, !enable);
/* Some SPI masters need both GPIO CS & slave_select */
if ((spi->controller->flags & SPI_MASTER_GPIO_SS) &&
spi->controller->set_cs)