github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-24 23:22:31 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

spi: loopback-test: Simplify strange loopback value check

Browse Source 
Apply De Morgan's Theorem and drop superfluous parentheses to simplify
the check for strange loopback values.
While at it, add the missing zero in the related comment.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/da612090f543c8c7cc99fb9dc6ef4abc9560abe4.1746184293.git.geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Geert Uytterhoeven 2025-05-02 13:12:39 +02:00 committed by Mark Brown
parent 2dbe74c63c
commit 233d740e3a
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/spi/spi-loopback-test.c
View File

@ -635,8 +635,8 @@ static int spi_test_check_loopback_result(struct spi_device *spi,
} else {
/* first byte received */
txb = ((u8 *)xfer->rx_buf)[0];
/* first byte may be 0 or xff */
if (!((txb == 0) || (txb == 0xff))) {
/* first byte may be 0 or 0xff */
if (txb != 0 && txb != 0xff) {
dev_err(&spi->dev,
"loopback strangeness - we expect 0x00 or 0xff, but not 0x%02x\n",
txb);