dmaengine: constify of_device_id array

of_device_id is always used as const.
(See driver.of_match_table and open firmware functions)
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

drivers/dma/bestcomm/bestcomm.c

@@ -30,7 +30,7 @@
 #define DRIVER_NAME "bestcomm-core"
 
 /* MPC5200 device tree match tables */
-static struct of_device_id mpc52xx_sram_ids[] = {
+static const struct of_device_id mpc52xx_sram_ids[] = {
 	{ .compatible = "fsl,mpc5200-sram", },
 	{ .compatible = "mpc5200-sram", },
 	{}
@@ -481,7 +481,7 @@ static int mpc52xx_bcom_remove(struct platform_device *op)
 	return 0;
 }
 
-static struct of_device_id mpc52xx_bcom_of_match[] = {
+static const struct of_device_id mpc52xx_bcom_of_match[] = {
 	{ .compatible = "fsl,mpc5200-bestcomm", },
 	{ .compatible = "mpc5200-bestcomm", },
 	{},

drivers/dma/k3dma.c

@@ -654,7 +654,7 @@ static void k3_dma_free_desc(struct virt_dma_desc *vd)
 	kfree(ds);
 }
 
-static struct of_device_id k3_pdma_dt_ids[] = {
+static const struct of_device_id k3_pdma_dt_ids[] = {
 	{ .compatible = "hisilicon,k3-dma-1.0", },
 	{}
 };

drivers/dma/mmp_pdma.c

@@ -970,7 +970,7 @@ static int mmp_pdma_chan_init(struct mmp_pdma_device *pdev, int idx, int irq)
 	return 0;
 }
 
-static struct of_device_id mmp_pdma_dt_ids[] = {
+static const struct of_device_id mmp_pdma_dt_ids[] = {
 	{ .compatible = "marvell,pdma-1.0", },
 	{}
 };

drivers/dma/mmp_tdma.c

@@ -594,7 +594,7 @@ struct dma_chan *mmp_tdma_xlate(struct of_phandle_args *dma_spec,
 	return dma_request_channel(mask, mmp_tdma_filter_fn, &param);
 }
 
-static struct of_device_id mmp_tdma_dt_ids[] = {
+static const struct of_device_id mmp_tdma_dt_ids[] = {
 	{ .compatible = "marvell,adma-1.0", .data = (void *)MMP_AUD_TDMA},
 	{ .compatible = "marvell,pxa910-squ", .data = (void *)PXA910_SQU},
 	{}

drivers/dma/mpc512x_dma.c

@@ -1068,7 +1068,7 @@ static int mpc_dma_remove(struct platform_device *op)
 	return 0;
 }
 
-static struct of_device_id mpc_dma_match[] = {
+static const struct of_device_id mpc_dma_match[] = {
 	{ .compatible = "fsl,mpc5121-dma", },
 	{ .compatible = "fsl,mpc8308-dma", },
 	{},

drivers/dma/mv_xor.c

@@ -1245,7 +1245,7 @@ static int mv_xor_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_OF
-static struct of_device_id mv_xor_dt_ids[] = {
+static const struct of_device_id mv_xor_dt_ids[] = {
        { .compatible = "marvell,orion-xor", },
        {},
 };

drivers/dma/sirf-dma.c

@@ -896,7 +896,7 @@ static const struct dev_pm_ops sirfsoc_dma_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(sirfsoc_dma_pm_suspend, sirfsoc_dma_pm_resume)
 };
 
-static struct of_device_id sirfsoc_dma_match[] = {
+static const struct of_device_id sirfsoc_dma_match[] = {
 	{ .compatible = "sirf,prima2-dmac", },
 	{ .compatible = "sirf,marco-dmac", },
 	{},

drivers/dma/sun6i-dma.c

@@ -896,7 +896,7 @@ static struct sun6i_dma_config sun8i_a23_dma_cfg = {
 	.nr_max_vchans   = 37,
 };
 
-static struct of_device_id sun6i_dma_match[] = {
+static const struct of_device_id sun6i_dma_match[] = {
 	{ .compatible = "allwinner,sun6i-a31-dma", .data = &sun6i_a31_dma_cfg },
 	{ .compatible = "allwinner,sun8i-a23-dma", .data = &sun8i_a23_dma_cfg },
 	{ /* sentinel */ }