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* [PATCH] i2c: microchip: pci1xxxx: Use signed variable
@ 2022-10-04  7:26 Muhammad Usama Anjum
  2022-10-05 18:54 ` Wolfram Sang
  0 siblings, 1 reply; 2+ messages in thread
From: Muhammad Usama Anjum @ 2022-10-04  7:26 UTC (permalink / raw)
  To: Tharun Kumar P, Kumaravel Thiagarajan, Microchip Linux Driver Support
  Cc: Muhammad Usama Anjum, kernel, kernel-janitors, linux-i2c, linux-kernel

Use signed variable to store the negative values correctly to compare
them later with negative values.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
---
 drivers/i2c/busses/i2c-mchp-pci1xxxx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-mchp-pci1xxxx.c b/drivers/i2c/busses/i2c-mchp-pci1xxxx.c
index b2b7dbff5ef4..f3c497391d13 100644
--- a/drivers/i2c/busses/i2c-mchp-pci1xxxx.c
+++ b/drivers/i2c/busses/i2c-mchp-pci1xxxx.c
@@ -708,7 +708,7 @@ static void pci1xxxx_i2c_init(struct pci1xxxx_i2c *i2c)
 	void __iomem *p2 = i2c->i2c_base + SMBUS_STATUS_REG_OFF;
 	void __iomem *p1 = i2c->i2c_base + SMB_GPR_REG;
 	u8 regval;
-	u8 ret;
+	s8 ret;
 
 	ret = set_sys_lock(i2c);
 	if (ret == -EPERM) {
-- 
2.30.2


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] i2c: microchip: pci1xxxx: Use signed variable
  2022-10-04  7:26 [PATCH] i2c: microchip: pci1xxxx: Use signed variable Muhammad Usama Anjum
@ 2022-10-05 18:54 ` Wolfram Sang
  0 siblings, 0 replies; 2+ messages in thread
From: Wolfram Sang @ 2022-10-05 18:54 UTC (permalink / raw)
  To: Muhammad Usama Anjum
  Cc: Tharun Kumar P, Kumaravel Thiagarajan,
	Microchip Linux Driver Support, kernel, kernel-janitors,
	linux-i2c, linux-kernel

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On Tue, Oct 04, 2022 at 12:26:15PM +0500, Muhammad Usama Anjum wrote:
> Use signed variable to store the negative values correctly to compare
> them later with negative values.
> 
> Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>

Thank you, but I appled a better fix (taking care of types) instead:

http://patchwork.ozlabs.org/project/linux-i2c/patch/20221004192715.173210-1-colin.i.king@gmail.com/


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