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[SPI,for-next,2/3] spi: mchp-pci1xxxx: Fix SPI transactions not working after suspend and resume

Message ID 20230404171613.1336093-3-tharunkumar.pasumarthi@microchip.com (mailing list archive)
State Accepted
Commit 4266d21669de62cf3fb6774f7d404c1eb95a5ab3
Headers show
Series spi: mchp-pci1xxxx: Fix minor bugs in spi-pci1xxxx driver | expand

Commit Message

Tharun Kumar P April 4, 2023, 5:16 p.m. UTC 
pci1xxxx_spi_resume API masks SPI interrupt bit which prohibits interrupt
from coming to the host at the end of the transaction after suspend-resume.
This patch unmasks this bit at resume.

Fixes: 1cc0cbea7167 ("spi: microchip: pci1xxxx: Add driver for SPI controller of PCI1XXXX PCIe switch")
Signed-off-by: Tharun Kumar P <tharunkumar.pasumarthi@microchip.com>
---
 drivers/spi/spi-pci1xxxx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/spi/spi-pci1xxxx.c b/drivers/spi/spi-pci1xxxx.c
index 419a1d3a5c2e..82d4bfeea1fa 100644
--- a/drivers/spi/spi-pci1xxxx.c
+++ b/drivers/spi/spi-pci1xxxx.c
@@ -58,7 +58,7 @@ 
 #define VENDOR_ID_MCHP 0x1055
 
 #define SPI_SUSPEND_CONFIG 0x101
-#define SPI_RESUME_CONFIG 0x303
+#define SPI_RESUME_CONFIG 0x203
 
 struct pci1xxxx_spi_internal {
 	u8 hw_inst;