A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 03:01:39 -04:00
Code Issues Projects Releases Packages Wiki Activity

spi: spi-s3c64xx: Do not ignore timeout errors in polling I/O mode

Browse source 
Currently timeout errors in polling I/O mode transfer are silently ignored.
Fix it by returning an error when we time out waiting on the RX FIFO level
to reach the transfer length.

Signed-off-by: Sylwester Nawrocki <[email protected]>
Reviewed-by: Andi Shyti <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Sylwester Nawrocki 2018-04-16 17:40:19 +02:00 • committed by Mark Brown
commit 4e0b82ee31
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
1 changed files with 2 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/spi/spi-s3c64xx.c
View file

@ -503,6 +503,8 @@ static int wait_for_pio(struct s3c64xx_spi_driver_data *sdd,
status = readl(regs + S3C64XX_SPI_STATUS);
} while (RX_FIFO_LVL(status, sdd) < xfer->len && --val);
if (!val)
return -EIO;
/* If it was only Tx */
if (!xfer->rx_buf) {