qjyu
/
OrangePi_CM5
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

spi: rockchip-test: Check the spi sync actual length 

Change-Id: I4a189c50cc9aa9c6151e9efcfa5eca59eb35f44a
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin 2023-06-14 20:32:16 +08:00 committed by Tao Huang
parent 0f7fb69548
commit d8d884fca6
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/spi/spi-rockchip-test.c
View File

@ -74,7 +74,11 @@ int spi_write_slt(int id, const void *txbuf, size_t n)
spi_message_init(&m);
spi_message_add_tail(&t, &m);
return spi_sync(spi, &m);
ret = spi_sync(spi, &m);
if (m.actual_length && m.actual_length != n)
pr_err("%s len=%d actual_length=%d\n", __func__, n, m.actual_length);
return ret;
}
int spi_read_slt(int id, void *rxbuf, size_t n)
@ -99,7 +103,11 @@ int spi_read_slt(int id, void *rxbuf, size_t n)
spi_message_init(&m);
spi_message_add_tail(&t, &m);
return spi_sync(spi, &m);
ret = spi_sync(spi, &m);
if (m.actual_length && m.actual_length != n)
pr_err("%s len=%d actual_length=%d\n", __func__, n, m.actual_length);
return ret;
}
int spi_write_then_read_slt(int id, const void *txbuf, unsigned n_tx,