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authorRobert Foss2020-11-30 11:04:45 +0100
committerWolfram Sang2020-12-02 17:05:42 +0100
commit14718b3e129b058cb716a60c6faf40ef68661c54 (patch)
tree0d2699b162bb857caa1eda745d21fba0bd15fa64 /drivers/i2c
parente9acf0298c664f825e6f1158f2a97341bf9e03ca (diff)
i2c: qcom: Fix IRQ error misassignement
During cci_isr() errors read from register fields belonging to i2c master1 are currently assigned to the status field belonging to i2c master0. This patch corrects this error, and always assigns master1 errors to the status field of master1. Fixes: e517526195de ("i2c: Add Qualcomm CCI I2C driver") Reported-by: Loic Poulain <loic.poulain@linaro.org> Suggested-by: Loic Poulain <loic.poulain@linaro.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-qcom-cci.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-qcom-cci.c b/drivers/i2c/busses/i2c-qcom-cci.c
index f13735beca58..1c259b5188de 100644
--- a/drivers/i2c/busses/i2c-qcom-cci.c
+++ b/drivers/i2c/busses/i2c-qcom-cci.c
@@ -194,9 +194,9 @@ static irqreturn_t cci_isr(int irq, void *dev)
if (unlikely(val & CCI_IRQ_STATUS_0_I2C_M1_ERROR)) {
if (val & CCI_IRQ_STATUS_0_I2C_M1_Q0_NACK_ERR ||
val & CCI_IRQ_STATUS_0_I2C_M1_Q1_NACK_ERR)
- cci->master[0].status = -ENXIO;
+ cci->master[1].status = -ENXIO;
else
- cci->master[0].status = -EIO;
+ cci->master[1].status = -EIO;
writel(CCI_HALT_REQ_I2C_M1_Q0Q1, cci->base + CCI_HALT_REQ);
ret = IRQ_HANDLED;