From mboxrd@z Thu Jan 1 00:00:00 1970 From: peter.ujfalusi@ti.com (Peter Ujfalusi) Date: Wed, 21 Sep 2016 15:41:28 +0300 Subject: [PATCH v3 2/9] dmaengine: edma: Fix of_device_id data parameter usage (legacy vs TPCC) In-Reply-To: <20160921124135.11849-1-peter.ujfalusi@ti.com> References: <20160921124135.11849-1-peter.ujfalusi@ti.com> Message-ID: <20160921124135.11849-3-peter.ujfalusi@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Use pointers to static constant variables for eDMA binding type (legacy vs TPCC). Fixes the following warning when compiling the driver for 64bit architectures (x86_64 for example): drivers/dma/edma.c:2185:16: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] if (match && (u32)match->data == EDMA_BINDING_TPCC) ^ Signed-off-by: Peter Ujfalusi --- drivers/dma/edma.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index c2098a4b4dcf..87c58710ae31 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -263,14 +263,19 @@ static const struct edmacc_param dummy_paramset = { #define EDMA_BINDING_LEGACY 0 #define EDMA_BINDING_TPCC 1 +static const u32 edma_binding_type[] = { + [EDMA_BINDING_LEGACY] = EDMA_BINDING_LEGACY, + [EDMA_BINDING_TPCC] = EDMA_BINDING_TPCC, +}; + static const struct of_device_id edma_of_ids[] = { { .compatible = "ti,edma3", - .data = (void *)EDMA_BINDING_LEGACY, + .data = &edma_binding_type[EDMA_BINDING_LEGACY], }, { .compatible = "ti,edma3-tpcc", - .data = (void *)EDMA_BINDING_TPCC, + .data = &edma_binding_type[EDMA_BINDING_TPCC], }, {} }; @@ -2184,7 +2189,7 @@ static int edma_probe(struct platform_device *pdev) const struct of_device_id *match; match = of_match_node(edma_of_ids, node); - if (match && (u32)match->data == EDMA_BINDING_TPCC) + if (match && (*(u32*)match->data) == EDMA_BINDING_TPCC) legacy_mode = false; info = edma_setup_info_from_dt(dev, legacy_mode); -- 2.10.0