From 83a1ef2eb68cffda5940568b8c3f48daa5ab9d0c Mon Sep 17 00:00:00 2001 From: Laxman Dewangan Date: Wed, 29 Aug 2012 10:23:07 +0200 Subject: dma: tegra: make tegra_dma.chip_data a pointer to const data MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This prepares *of_device_id.data becoming const. Without this change the following warning would occur: drivers/dma/tegra20-apb-dma.c: In function 'tegra_dma_probe': drivers/dma/tegra20-apb-dma.c:1210:9: warning: assignment discards 'const' qualifier from pointer target type [enabled by default] [ukl: split Laxman's patch to prevent warnings in the middle of the series. Original patch was sent with msgid 1346217447-19730-1-git-send-email-ldewangan@nvidia.com] Signed-off-by: Laxman Dewangan Acked-by: Stephen Warren Acked-by: Vinod Koul Signed-off-by: Uwe Kleine-König --- drivers/dma/tegra20-apb-dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/dma/tegra20-apb-dma.c') diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index d52dbc6c54a..29a39b88cdf 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -201,7 +201,7 @@ struct tegra_dma { struct clk *dma_clk; spinlock_t global_lock; void __iomem *base_addr; - struct tegra_dma_chip_data *chip_data; + const struct tegra_dma_chip_data *chip_data; /* Some register need to be cache before suspend */ u32 reg_gen; @@ -1197,7 +1197,7 @@ static int __devinit tegra_dma_probe(struct platform_device *pdev) struct tegra_dma *tdma; int ret; int i; - struct tegra_dma_chip_data *cdata = NULL; + const struct tegra_dma_chip_data *cdata = NULL; if (pdev->dev.of_node) { const struct of_device_id *match; -- cgit v1.2.3-70-g09d2 From 75f21631bce693f867e7f2204875cb06cee9deff Mon Sep 17 00:00:00 2001 From: Laxman Dewangan Date: Wed, 29 Aug 2012 10:31:18 +0200 Subject: dma: tegra: make data used as *of_device_id.data const MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Since of_device_id.data is declared as a pointer to const data a few more consts can be added in this driver. [ukl: split Laxman's patch to prevent warnings in the middle of the series. Original patch was sent with msgid 1346217447-19730-1-git-send-email-ldewangan@nvidia.com] Signed-off-by: Laxman Dewangan Acked-by: Stephen Warren Acked-by: Vinod Koul Signed-off-by: Uwe Kleine-König --- drivers/dma/tegra20-apb-dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/dma/tegra20-apb-dma.c') diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index 29a39b88cdf..56adcfc1312 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -1166,14 +1166,14 @@ static void tegra_dma_free_chan_resources(struct dma_chan *dc) } /* Tegra20 specific DMA controller information */ -static struct tegra_dma_chip_data tegra20_dma_chip_data = { +static const struct tegra_dma_chip_data tegra20_dma_chip_data = { .nr_channels = 16, .max_dma_count = 1024UL * 64, }; #if defined(CONFIG_OF) /* Tegra30 specific DMA controller information */ -static struct tegra_dma_chip_data tegra30_dma_chip_data = { +static const struct tegra_dma_chip_data tegra30_dma_chip_data = { .nr_channels = 32, .max_dma_count = 1024UL * 64, }; -- cgit v1.2.3-70-g09d2