ICH 7 SPI controller only supports array read command (03h). Fast array read command (0Bh) is not supported.
Signed-off-by: Bin Meng bmeng.cn@gmail.com Acked-by: Simon Glass sjg@chromium.org Tested-by: Simon Glass sjg@chromium.org
--- Changes in v3: None RESEND of v2 patch @ http://patchwork.ozlabs.org/patch/405752/
drivers/spi/ich.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c index 7b24981..c38df08 100644 --- a/drivers/spi/ich.c +++ b/drivers/spi/ich.c @@ -141,6 +141,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, ich->slave.max_write_size = ctlr.databytes; ich->speed = max_hz;
+ /* ICH 7 SPI controller only supports array read command */ + if (ctlr.ich_version == 7) + ich->slave.op_mode_rx = SPI_OPM_RX_AS; + return &ich->slave; }