From: Abe Kohandel <abe.kohandel@intel.com>
Date: Tue, 6 Jun 2023 16:18:44 -0700
Subject: [PATCH] spi: dw: Remove misleading comment for Mount Evans SoC
References: bsc#1012628
Patch-mainline: 6.4.7
Git-commit: 5b6d0b91f84cff3f28724076f93f6f9e2ef8d775
commit 5b6d0b91f84cff3f28724076f93f6f9e2ef8d775 upstream.
Remove a misleading comment about the DMA operations of the Intel Mount
Evans SoC's SPI Controller as requested by Serge.
Signed-off-by: Abe Kohandel <abe.kohandel@intel.com>
Link: https://lore.kernel.org/linux-spi/20230606191333.247ucbf7h3tlooxf@mobilestation/
Fixes: 0760d5d0e9f0 ("spi: dw: Add compatible for Intel Mount Evans SoC")
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20230606231844.726272-1-abe.kohandel@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/spi/spi-dw-mmio.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c
index 5a38cb09..a963bc96 100644
--- a/drivers/spi/spi-dw-mmio.c
+++ b/drivers/spi/spi-dw-mmio.c
@@ -237,14 +237,7 @@ static int dw_spi_intel_init(struct platform_device *pdev,
}
/*
- * The Intel Mount Evans SoC's Integrated Management Complex uses the
- * SPI controller for access to a NOR SPI FLASH. However, the SoC doesn't
- * provide a mechanism to override the native chip select signal.
- *
- * This driver doesn't use DMA for memory operations when a chip select
- * override is not provided due to the native chip select timing behavior.
- * As a result no DMA configuration is done for the controller and this
- * configuration is not tested.
+ * DMA-based mem ops are not configured for this device and are not tested.
*/
static int dw_spi_mountevans_imc_init(struct platform_device *pdev,
struct dw_spi_mmio *dwsmmio)
--
2.35.3