[PATCH v2 3/3] soc: amazon: al-pos: cast to u64 before left shifting

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Fix wrap around for pos errors on addresses above 32 bit.

Reported-by: kbuild test robot <lkp@xxxxxxxxx>
Signed-off-by: Talel Shenhar <talel@xxxxxxxxxx>
---
 drivers/soc/amazon/al_pos.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/amazon/al_pos.c b/drivers/soc/amazon/al_pos.c
index a865111..e95e1fc 100644
--- a/drivers/soc/amazon/al_pos.c
+++ b/drivers/soc/amazon/al_pos.c
@@ -49,7 +49,7 @@ static irqreturn_t al_pos_irq_handler(int irq, void *info)
 	writel(0, pos->mmio_base + AL_POS_ERROR_LOG_1);
 
 	addr = FIELD_GET(AL_POS_ERROR_LOG_0_ADDR_LOW, log0);
-	addr |= (FIELD_GET(AL_POS_ERROR_LOG_1_ADDR_HIGH, log1) << 32);
+	addr |= (((u64)FIELD_GET(AL_POS_ERROR_LOG_1_ADDR_HIGH, log1)) << 32);
 	request_id = FIELD_GET(AL_POS_ERROR_LOG_1_REQUEST_ID, log1);
 	bresp = FIELD_GET(AL_POS_ERROR_LOG_1_BRESP, log1);
 
-- 
2.7.4




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux