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[RFC PATCH] mmc: Kconfig: Add dependency on GPIOLIB for Arasan driver

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The patch "mmc: sdhci-of-arasan: Call OF parsing for MMC"
(sha1: 16b23787fc709fe60c5d2bd05927b1a3da33d4e9) introduce new
dependency on GPIOLIB which calls mmc_of_parse() ->
mmc_gpiod_request_cd() (slot-gpio.c) which calls devm_gpiod_get_index()
which returns -ENOSYS.

Error log:
sdhci-arasan ff160000.sdhci: parsing dt failed (4294967258)
sdhci-arasan: probe of ff160000.sdhci failed with error -38

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

This problem is probably in all others drivers.
This is one way how this can be solved.
Maybe better way is to block return value for cd and wp.

---
 drivers/mmc/host/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index fd9a58e216a5..4b5854759cfc 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -120,6 +120,7 @@ config MMC_SDHCI_PLTFM
 config MMC_SDHCI_OF_ARASAN
 	tristate "SDHCI OF support for the Arasan SDHCI controllers"
 	depends on MMC_SDHCI_PLTFM
+	depends on GPIOLIB
 	depends on OF
 	help
 	  This selects the Arasan Secure Digital Host Controller Interface
-- 
2.3.5

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[RFC PATCH] mmc: Kconfig: Add dependency on GPIOLIB for Arasan driver Michal Simek <michal.simek@xilinx.com> - 2015-07-24 16:00 +0200
  Re: [RFC PATCH] mmc: Kconfig: Add dependency on GPIOLIB for Arasan  driver Scott Branden <sbranden@broadcom.com> - 2015-07-28 00:00 +0200

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