diff options
| author | Julien Panis <jpanis@baylibre.com> | 2023-05-29 16:18:16 +0200 |
|---|---|---|
| committer | Praneeth Bajjuri <praneeth@ti.com> | 2023-06-29 09:42:27 -0500 |
| commit | 9ed6d8935d9aaca9507cbcc820833a2a238ac980 (patch) | |
| tree | c3abbcd63857e901d9dcab293c8e4439d049a1f7 /include | |
| parent | 9cb70fef623bb403185bb93859e83476f66d7308 (diff) | |
drivers: spi: omap3_spi: Initialize mode for all channels
At first SPI transfers, multiple chip selects can be
enabled simultaneously. This is due to chip select
polarity, which is not properly initialized for all
channels. This patch fixes the issue.
Signed-off-by: Julien Panis <jpanis@baylibre.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/omap3_spi.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/omap3_spi.h b/include/omap3_spi.h index cae3770583..5381431d43 100644 --- a/include/omap3_spi.h +++ b/include/omap3_spi.h @@ -46,6 +46,8 @@ #define OMAP4_MCSPI_REG_OFFSET 0x100 +#define OMAP4_MCSPI_CHAN_NB 4 + /* OMAP3 McSPI registers */ struct mcspi_channel { unsigned int chconf; /* 0x2C, 0x40, 0x54, 0x68 */ @@ -64,7 +66,7 @@ struct mcspi { unsigned int wakeupenable; /* 0x20 */ unsigned int syst; /* 0x24 */ unsigned int modulctrl; /* 0x28 */ - struct mcspi_channel channel[4]; + struct mcspi_channel channel[OMAP4_MCSPI_CHAN_NB]; /* channel0: 0x2C - 0x3C, bus 0 & 1 & 2 & 3 */ /* channel1: 0x40 - 0x50, bus 0 & 1 */ /* channel2: 0x54 - 0x64, bus 0 & 1 */ |