linux-kernel - [PATCH 03/12] mmc: dw_mmc: fix building exynos driver as a module

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Date:	Fri, 28 Sep 2012 23:36:08 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	linux-kernel@...r.kernel.org, arm@...nel.org,
	Arnd Bergmann <arnd@...db.de>, Chris Ball <cjb@...top.org>,
	Thomas Abraham <thomas.abraham@...aro.org>,
	Will Newton <will.newton@...tec.com>,
	Jaehoon Chung <jh80.chung@...sung.com>,
	Seungwon Jeon <tgih.jun@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	linux-mmc@...r.kernel.org
Subject: [PATCH 03/12] mmc: dw_mmc: fix building exynos driver as a module

The MODULE_DEVICE_TABLE() entry in the dw_mmc_exynos driver
points to the wrong symbol which results in a link error
when building as a loadable module.

Further, we get a warning about the driver_data being
marked constant, which requires annotating a few pointers
as const.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Cc: Chris Ball <cjb@...top.org>
Cc: Thomas Abraham <thomas.abraham@...aro.org>
Cc: Will Newton <will.newton@...tec.com>
Cc: Jaehoon Chung <jh80.chung@...sung.com>
Cc: Seungwon Jeon <tgih.jun@...sung.com>
Cc: Kyungmin Park <kyungmin.park@...sung.com>
Cc: linux-mmc@...r.kernel.org
---
 drivers/mmc/host/dw_mmc-exynos.c |    4 ++--
 drivers/mmc/host/dw_mmc-pltfm.c  |    2 +-
 drivers/mmc/host/dw_mmc-pltfm.h  |    2 +-
 drivers/mmc/host/dw_mmc.c        |    2 +-
 include/linux/mmc/dw_mmc.h       |    2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c
index 660bbc5..32109a6 100644
--- a/drivers/mmc/host/dw_mmc-exynos.c
+++ b/drivers/mmc/host/dw_mmc-exynos.c
@@ -223,11 +223,11 @@ static const struct of_device_id dw_mci_exynos_match[] = {
 			.data = (void *)&exynos5250_drv_data, },
 	{},
 };
-MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match);
+MODULE_DEVICE_TABLE(of, dw_mci_exynos_match);
 
 int dw_mci_exynos_probe(struct platform_device *pdev)
 {
-	struct dw_mci_drv_data *drv_data;
+	const struct dw_mci_drv_data *drv_data;
 	const struct of_device_id *match;
 
 	match = of_match_node(dw_mci_exynos_match, pdev->dev.of_node);
diff --git a/drivers/mmc/host/dw_mmc-pltfm.c b/drivers/mmc/host/dw_mmc-pltfm.c
index c960ca7..5e33156 100644
--- a/drivers/mmc/host/dw_mmc-pltfm.c
+++ b/drivers/mmc/host/dw_mmc-pltfm.c
@@ -24,7 +24,7 @@
 #include "dw_mmc.h"
 
 int dw_mci_pltfm_register(struct platform_device *pdev,
-				struct dw_mci_drv_data *drv_data)
+				const struct dw_mci_drv_data *drv_data)
 {
 	struct dw_mci *host;
 	struct resource	*regs;
diff --git a/drivers/mmc/host/dw_mmc-pltfm.h b/drivers/mmc/host/dw_mmc-pltfm.h
index 301f245..2ac37b8 100644
--- a/drivers/mmc/host/dw_mmc-pltfm.h
+++ b/drivers/mmc/host/dw_mmc-pltfm.h
@@ -13,7 +13,7 @@
 #define _DW_MMC_PLTFM_H_
 
 extern int dw_mci_pltfm_register(struct platform_device *pdev,
-				struct dw_mci_drv_data *drv_data);
+				const struct dw_mci_drv_data *drv_data);
 extern int __devexit dw_mci_pltfm_remove(struct platform_device *pdev);
 extern const struct dev_pm_ops dw_mci_pltfm_pmops;
 
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index a23af77..026cf92 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1973,7 +1973,7 @@ static void dw_mci_init_dma(struct dw_mci *host)
 	/* Determine which DMA interface to use */
 #ifdef CONFIG_MMC_DW_IDMAC
 	host->dma_ops = &dw_mci_idmac_ops;
-	dev_info(&host->dev, "Using internal DMA controller.\n");
+	dev_info(host->dev, "Using internal DMA controller.\n");
 #endif
 
 	if (!host->dma_ops)
diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h
index 7c6a113..0f62c8c 100644
--- a/include/linux/mmc/dw_mmc.h
+++ b/include/linux/mmc/dw_mmc.h
@@ -162,7 +162,7 @@ struct dw_mci {
 	u16			data_offset;
 	struct device		*dev;
 	struct dw_mci_board	*pdata;
-	struct dw_mci_drv_data	*drv_data;
+	const struct dw_mci_drv_data	*drv_data;
 	void			*priv;
 	struct clk		*biu_clk;
 	struct clk		*ciu_clk;
-- 
1.7.10

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