board/arcturus/ppc-ucp1020/patches/linux/0002-p1020-esdhc-controller-reserved-bit.patch

   1 From 4c74fd1266287deca0c1ff091071c5b8558b9735 Mon Sep 17 00:00:00 2001
   2 From: Oleksandr G Zhadan <oleks@arcturusnetworks.com>
   3 Date: Mon, 18 Jul 2016 10:45:41 -0400
   4 Subject: [PATCH 1/1] p1020 esdhc controller reserved bit
   5
   6 Prevent SDHCI core from writing reserved bits, where
   7 p1020 reserved bit is SDHCI_CTRL_HISPD, not 0x01(SDHCI_CTRL_LED).
   8
   9 Signed-off-by: Oleksandr G Zhadan <oleks@arcturusnetworks.com>
  10 Signed-off-by: Michael Durrant <arcsupport@arcturusnetworks.com>
  11 ---
  12  drivers/mmc/host/sdhci-esdhc.h | 2 +-
  13  1 file changed, 1 insertion(+), 1 deletion(-)
  14
  15 diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h
  16 index a870c42..b45de0a 100644
  17 --- a/drivers/mmc/host/sdhci-esdhc.h
  18 +++ b/drivers/mmc/host/sdhci-esdhc.h
  19 @@ -45,6 +45,6 @@
  20  #define ESDHC_DMA_SYSCTL       0x40c
  21  #define ESDHC_DMA_SNOOP                0x00000040
  22
  23 -#define ESDHC_HOST_CONTROL_RES 0x01
  24 +#define ESDHC_HOST_CONTROL_RES (SDHCI_CTRL_HISPD)
  25
  26  #endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */
  27 --
  28 2.1.4