This is a note to let you know that I've just added the patch titled
spi: ppc4xx: Avoid returning 0 when failed to parse and map IRQ
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
spi-ppc4xx-avoid-returning-0-when-failed-to-parse-an.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit fd7bf863e56a6b660090e2203a96607a2a3e7bbc
Author: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Date: Wed Aug 14 17:45:12 2024 +0300
spi: ppc4xx: Avoid returning 0 when failed to parse and map IRQ
[ Upstream commit 7781f1d120fec8624fc654eda900fc8748262082 ]
0 is incorrect error code when failed to parse and map IRQ.
Replace OF specific old API for IRQ retrieval with a generic
one to fix this issue.
Fixes: 0f245463b01e ("spi: ppc4xx: handle irq_of_parse_and_map() errors")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Link: https://patch.msgid.link/20240814144525.2648450-1-andriy.shevchenko@xxxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/spi/spi-ppc4xx.c b/drivers/spi/spi-ppc4xx.c
index 8a1290fb4dd9d..7e8fc572f26cc 100644
--- a/drivers/spi/spi-ppc4xx.c
+++ b/drivers/spi/spi-ppc4xx.c
@@ -29,7 +29,6 @@
#include <linux/errno.h>
#include <linux/wait.h>
#include <linux/of_address.h>
-#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/of_gpio.h>
#include <linux/interrupt.h>
@@ -494,9 +493,10 @@ static int spi_ppc4xx_of_probe(struct platform_device *op)
}
/* Request IRQ */
- hw->irqnum = irq_of_parse_and_map(np, 0);
- if (hw->irqnum <= 0)
+ ret = platform_get_irq(op, 0);
+ if (ret < 0)
goto free_host;
+ hw->irqnum = ret;
ret = request_irq(hw->irqnum, spi_ppc4xx_int,
0, "spi_ppc4xx_of", (void *)hw);
