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spi: bcm-qspi: Fix spi-nor chip select logic for BSPI

Kamal Dasu linux-spi lkml 2 versions – New

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Versions newest first · linked by author and title

  1. v2 Latest2 patches 0 repliesNew
  2. v12 patches 0 repliesSuperseded

Changes in v2 from the cover letter

- Added "Fixes:" tag to 1/2 and 2/2 patches

Patches in v2 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/2spi: bcm-qspi: Avoid setting MSPI_CDRAM_PCS for spi-nor masterdrivers/spi/spi-bcm-qspi.c+16 -80 replies
2/2spi: bcm-qspi: Always read and set BSPI_MAST_N_BOOT_CTRLdrivers/spi/spi-bcm-qspi.c+2 -20 replies

Reviews trailers per patch

No Reviewed-by, Acked-by or Tested-by trailers for v2 yet.

Read the v2 thread

Cover letter [PATCH v2 0/2] spi: bcm-qspi: Fix spi-nor chip select logic for BSPI

When using the spi-nor master controller always verify the chip select bit in the cs register. Also do not use CDRAM PCS bit in BSPI mode. Additionally make sure to enable/disable BSPI_MAST_N_BOOT_CTRL while using BSPI mode.

V2 changes:
- Added "Fixes:" tag to 1/2 and 2/2 patches

Kamal Dasu (2):
spi: bcm-qspi: Avoid setting MSPI_CDRAM_PCS for spi-nor master
spi: bcm-qspi: Always read and set BSPI_MAST_N_BOOT_CTRL

 drivers/spi/spi-bcm-qspi.c | 28 ++++++++++++++++++----------
 1 file changed, 18 insertions(+), 10 deletions(-)
Signature · 1 line
2.7.4