mirror of
https://github.com/coolsnowwolf/lede.git
synced 2025-07-17 09:16:59 +08:00
d81c03f05e
These patches were generated from: https://github.com/raspberrypi/linux/commits/rpi-6.12.y With the following command: git format-patch -N v6.12.27..HEAD (HEAD -> 8d3206ee456a5ecdf9ddbfd8e5e231e4f0cd716e) Exceptions: - (def)configs patches - github workflows patches - applied & reverted patches - readme patches - wireless patches Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
65 lines
1.8 KiB
Diff
65 lines
1.8 KiB
Diff
From f455de9888ee0745802a3bda4c13b818fbf56df3 Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.com>
|
|
Date: Tue, 29 Nov 2022 10:09:54 +0000
|
|
Subject: [PATCH] spi: dw: Handle combined tx and rx messages
|
|
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
|
|
---
|
|
drivers/spi/spi-dw-core.c | 12 +++++++++---
|
|
drivers/spi/spi-dw-mmio.c | 8 ++++++--
|
|
2 files changed, 15 insertions(+), 5 deletions(-)
|
|
|
|
--- a/drivers/spi/spi-dw-core.c
|
|
+++ b/drivers/spi/spi-dw-core.c
|
|
@@ -241,8 +241,11 @@ static irqreturn_t dw_spi_transfer_handl
|
|
*/
|
|
if (irq_status & DW_SPI_INT_TXEI) {
|
|
dw_writer(dws);
|
|
- if (!dws->tx_len)
|
|
+ if (!dws->tx_len) {
|
|
dw_spi_mask_intr(dws, DW_SPI_INT_TXEI);
|
|
+ if (!dws->rx_len)
|
|
+ spi_finalize_current_transfer(dws->host);
|
|
+ }
|
|
}
|
|
|
|
return IRQ_HANDLED;
|
|
@@ -369,8 +372,11 @@ static void dw_spi_irq_setup(struct dw_s
|
|
|
|
dws->transfer_handler = dw_spi_transfer_handler;
|
|
|
|
- imask = DW_SPI_INT_TXEI | DW_SPI_INT_TXOI |
|
|
- DW_SPI_INT_RXUI | DW_SPI_INT_RXOI | DW_SPI_INT_RXFI;
|
|
+ imask = 0;
|
|
+ if (dws->tx_len)
|
|
+ imask |= DW_SPI_INT_TXEI | DW_SPI_INT_TXOI;
|
|
+ if (dws->rx_len)
|
|
+ imask |= DW_SPI_INT_RXUI | DW_SPI_INT_RXOI | DW_SPI_INT_RXFI;
|
|
dw_spi_umask_intr(dws, imask);
|
|
}
|
|
|
|
--- a/drivers/spi/spi-dw-mmio.c
|
|
+++ b/drivers/spi/spi-dw-mmio.c
|
|
@@ -20,6 +20,7 @@
|
|
#include <linux/property.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/reset.h>
|
|
+#include <linux/interrupt.h>
|
|
|
|
#include "spi-dw.h"
|
|
|
|
@@ -341,8 +342,11 @@ static int dw_spi_mmio_probe(struct plat
|
|
dws->paddr = mem->start;
|
|
|
|
dws->irq = platform_get_irq(pdev, 0);
|
|
- if (dws->irq < 0)
|
|
- return dws->irq; /* -ENXIO */
|
|
+ if (dws->irq < 0) {
|
|
+ if (dws->irq != -ENXIO)
|
|
+ return dws->irq; /* -ENXIO */
|
|
+ dws->irq = IRQ_NOTCONNECTED;
|
|
+ }
|
|
|
|
dwsmmio->clk = devm_clk_get_enabled(&pdev->dev, NULL);
|
|
if (IS_ERR(dwsmmio->clk))
|