From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: [PATCH 10/14] dmaengine: ti: omap-dma: Pass sdma auxdata to driver and use it Date: Mon, 16 Dec 2019 16:19:21 -0800 Message-ID: <20191217001925.44558-11-tony@atomide.com> References: <20191217001925.44558-1-tony@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20191217001925.44558-1-tony@atomide.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: linux-omap@vger.kernel.org Cc: devicetree@vger.kernel.org, Arnd Bergmann , Aaro Koskinen , Vinod Koul , Vinod Koul , Peter Ujfalusi , Russell King , dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: linux-omap@vger.kernel.org We can now start passing sdma auxdata to the dmaengine driver to start removing the platform based sdma init. Cc: Aaro Koskinen Cc: Arnd Bergmann Cc: Peter Ujfalusi Cc: Russell King Cc: Vinod Koul Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/common.h | 3 +++ arch/arm/mach-omap2/dma.c | 2 +- arch/arm/mach-omap2/pdata-quirks.c | 1 + drivers/dma/ti/omap-dma.c | 14 +++++++++----- 4 files changed, 14 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -345,9 +345,12 @@ static inline int dra7xx_pciess_reset(struct omap_hwmod *oh) } #endif +struct omap_system_dma_plat_info; + void pdata_quirks_init(const struct of_device_id *); void omap_auxdata_legacy_init(struct device *dev); void omap_pcs_legacy_init(int irq, void (*rearm)(void)); +extern struct omap_system_dma_plat_info dma_plat_info; struct omap_sdrc_params; extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, diff --git a/arch/arm/mach-omap2/dma.c b/arch/arm/mach-omap2/dma.c --- a/arch/arm/mach-omap2/dma.c +++ b/arch/arm/mach-omap2/dma.c @@ -217,7 +217,7 @@ static struct omap_dma_dev_attr dma_attr = { .lch_count = 32, }; -static struct omap_system_dma_plat_info dma_plat_info __initdata = { +struct omap_system_dma_plat_info dma_plat_info = { .reg_map = reg_map, .channel_stride = 0x60, .dma_attr = &dma_attr, diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -514,6 +514,7 @@ static struct of_dev_auxdata omap_auxdata_lookup[] = { /* Common auxdata */ OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata), OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata), + OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info), { /* sentinel */ }, }; diff --git a/drivers/dma/ti/omap-dma.c b/drivers/dma/ti/omap-dma.c --- a/drivers/dma/ti/omap-dma.c +++ b/drivers/dma/ti/omap-dma.c @@ -1585,14 +1585,18 @@ static int omap_dma_probe(struct platform_device *pdev) return PTR_ERR(od->base); conf = of_device_get_match_data(&pdev->dev); - if (conf) + if (conf) { od->cfg = conf; - else + od->plat = dev_get_platdata(&pdev->dev); + if (!od->plat) + dev_warn(&pdev->dev, "no sdma auxdata needed?\n"); + } else { od->cfg = &default_cfg; - od->plat = omap_get_plat_info(); - if (!od->plat) - return -EPROBE_DEFER; + od->plat = omap_get_plat_info(); + if (!od->plat) + return -EPROBE_DEFER; + } od->reg_map = od->plat->reg_map; -- 2.24.1