system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-09-19 10:39:01 +00:00
Code Issues Packages Projects Releases Wiki Activity

spi: bcm-qspi: fix MSPI only access with bcm_qspi_exec_mem_op()

Browse source 
This fixes case where MSPI controller is used to access spi-nor
flash and BSPI block is not present.

Fixes: 5f195ee7d8 ("spi: bcm-qspi: Implement the spi_mem interface")
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20220328142442.7553-1-kdasu.kdev@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kamal Dasu 2022-03-28 10:24:42 -04:00 committed by Mark Brown
parent 97e4827d77
commit 2c7d1b2812
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-bcm-qspi.c
View file

@ -1205,7 +1205,7 @@ static int bcm_qspi_exec_mem_op(struct spi_mem *mem,
addr = op->addr.val;
len = op->data.nbytes;
if (bcm_qspi_bspi_ver_three(qspi) == true) {
if (has_bspi(qspi) && bcm_qspi_bspi_ver_three(qspi) == true) {
/*
* The address coming into this function is a raw flash offset.
* But for BSPI <= V3, we need to convert it to a remapped BSPI
@ -1224,7 +1224,7 @@ static int bcm_qspi_exec_mem_op(struct spi_mem *mem,
len < 4)
mspi_read = true;
if (mspi_read)
if (!has_bspi(qspi) || mspi_read)
return bcm_qspi_mspi_exec_mem_op(spi, op);
ret = bcm_qspi_bspi_set_mode(qspi, op, 0);