From patchwork Fri Jul 13 12:32:10 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [07/11] dmaengine: at_hdmac: add a few const qualifiers From: y@pengutronix.de X-Patchwork-Id: 170879 Message-Id: <1342182734-321-9-git-send-email-y> To: Grant Likely , Arnd Bergmann Cc: Vinod Koul , devicetree-discuss@lists.ozlabs.org, Nicolas Ferre , Rob Herring , kernel@pengutronix.de, =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Dan Williams , linux-arm-kernel@lists.infradead.org Date: Fri, 13 Jul 2012 14:32:10 +0200 From: Uwe Kleine-König This prepares of_device_id.data becoming const. Without this change the following warning would occur: drivers/dma/at_hdmac.c: In function 'at_dma_get_driver_data': drivers/dma/at_hdmac.c:1228: warning: return discards qualifiers from pointer target type Signed-off-by: Uwe Kleine-König Cc: Nicolas Ferre Cc: Dan Williams Cc: Vinod Koul Acked-by: Nicolas Ferre --- drivers/dma/at_hdmac.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 7292aa8..7e9d265 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -1217,7 +1217,7 @@ static const struct platform_device_id atdma_devtypes[] = { } }; -static inline struct at_dma_platform_data * __init at_dma_get_driver_data( +static inline const struct at_dma_platform_data * __init at_dma_get_driver_data( struct platform_device *pdev) { if (pdev->dev.of_node) { @@ -1255,7 +1255,7 @@ static int __init at_dma_probe(struct platform_device *pdev) int irq; int err; int i; - struct at_dma_platform_data *plat_dat; + const struct at_dma_platform_data *plat_dat; /* setup platform data for each SoC */ dma_cap_set(DMA_MEMCPY, at91sam9rl_config.cap_mask);