From a8eba8dde5fbf0b9f62a38230af6d66c389c37fc Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Thu, 23 Dec 2021 17:14:46 +0100 Subject: soc: ti: k3-ringacc: Use devm_bitmap_zalloc() when applicable 'rings_inuse' and 'proxy_inuse' are bitmaps. So use 'devm_bitmap_zalloc()' to simplify code and improve the semantic. Signed-off-by: Christophe JAILLET Signed-off-by: Nishanth Menon Link: https://lore.kernel.org/r/45544b0d97a7bea7764292852842adf5085a7700.1640276001.git.christophe.jaillet@wanadoo.fr --- drivers/soc/ti/k3-ringacc.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) (limited to 'drivers/soc') diff --git a/drivers/soc/ti/k3-ringacc.c b/drivers/soc/ti/k3-ringacc.c index 31ab6c657fec..f7bf18b8229a 100644 --- a/drivers/soc/ti/k3-ringacc.c +++ b/drivers/soc/ti/k3-ringacc.c @@ -1402,12 +1402,10 @@ static int k3_ringacc_init(struct platform_device *pdev, sizeof(*ringacc->rings) * ringacc->num_rings, GFP_KERNEL); - ringacc->rings_inuse = devm_kcalloc(dev, - BITS_TO_LONGS(ringacc->num_rings), - sizeof(unsigned long), GFP_KERNEL); - ringacc->proxy_inuse = devm_kcalloc(dev, - BITS_TO_LONGS(ringacc->num_proxies), - sizeof(unsigned long), GFP_KERNEL); + ringacc->rings_inuse = devm_bitmap_zalloc(dev, ringacc->num_rings, + GFP_KERNEL); + ringacc->proxy_inuse = devm_bitmap_zalloc(dev, ringacc->num_proxies, + GFP_KERNEL); if (!ringacc->rings || !ringacc->rings_inuse || !ringacc->proxy_inuse) return -ENOMEM; @@ -1483,9 +1481,8 @@ struct k3_ringacc *k3_ringacc_dmarings_init(struct platform_device *pdev, sizeof(*ringacc->rings) * ringacc->num_rings * 2, GFP_KERNEL); - ringacc->rings_inuse = devm_kcalloc(dev, - BITS_TO_LONGS(ringacc->num_rings), - sizeof(unsigned long), GFP_KERNEL); + ringacc->rings_inuse = devm_bitmap_zalloc(dev, ringacc->num_rings, + GFP_KERNEL); if (!ringacc->rings || !ringacc->rings_inuse) return ERR_PTR(-ENOMEM); -- cgit v1.2.3-73-gaa49b From 001d7c83704bc98c28cc6444d2e7518d12ed029f Mon Sep 17 00:00:00 2001 From: Lad Prabhakar Date: Wed, 5 Jan 2022 18:03:22 +0000 Subject: soc: ti: smartreflex: Use platform_get_irq_optional() to get the interrupt platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static allocation of IRQ resources in DT core code, this causes an issue when using hierarchical interrupt domains using "interrupts" property in the node as this bypasses the hierarchical setup and messes up the irq chaining. In preparation for removal of static setup of IRQ resource from DT core code use platform_get_irq_optional(). While at it return 0 instead of returning ret in the probe success path. Signed-off-by: Lad Prabhakar Signed-off-by: Nishanth Menon Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20220105180323.8563-1-prabhakar.mahadev-lad.rj@bp.renesas.com --- drivers/soc/ti/smartreflex.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'drivers/soc') diff --git a/drivers/soc/ti/smartreflex.c b/drivers/soc/ti/smartreflex.c index b5b2fa538d5c..ad2bb72e640c 100644 --- a/drivers/soc/ti/smartreflex.c +++ b/drivers/soc/ti/smartreflex.c @@ -819,7 +819,7 @@ static int omap_sr_probe(struct platform_device *pdev) { struct omap_sr *sr_info; struct omap_sr_data *pdata = pdev->dev.platform_data; - struct resource *mem, *irq; + struct resource *mem; struct dentry *nvalue_dir; int i, ret = 0; @@ -844,7 +844,11 @@ static int omap_sr_probe(struct platform_device *pdev) if (IS_ERR(sr_info->base)) return PTR_ERR(sr_info->base); - irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + ret = platform_get_irq_optional(pdev, 0); + if (ret < 0 && ret != -ENXIO) + return dev_err_probe(&pdev->dev, ret, "failed to get IRQ resource\n"); + if (ret > 0) + sr_info->irq = ret; sr_info->fck = devm_clk_get(pdev->dev.parent, "fck"); if (IS_ERR(sr_info->fck)) @@ -870,9 +874,6 @@ static int omap_sr_probe(struct platform_device *pdev) sr_info->autocomp_active = false; sr_info->ip_type = pdata->ip_type; - if (irq) - sr_info->irq = irq->start; - sr_set_clk_length(sr_info); list_add(&sr_info->node, &sr_list); @@ -926,7 +927,7 @@ static int omap_sr_probe(struct platform_device *pdev) } - return ret; + return 0; err_debugfs: debugfs_remove_recursive(sr_info->dbg_dir); -- cgit v1.2.3-73-gaa49b From c3d66a164c726cc3b072232d3b6d87575d194084 Mon Sep 17 00:00:00 2001 From: Miaoqian Lin Date: Fri, 14 Jan 2022 06:28:40 +0000 Subject: soc: ti: wkup_m3_ipc: Fix IRQ check in wkup_m3_ipc_probe platform_get_irq() returns negative error number instead 0 on failure. And the doc of platform_get_irq() provides a usage example: int irq = platform_get_irq(pdev, 0); if (irq < 0) return irq; Fix the check of return value to catch errors correctly. Fixes: cdd5de500b2c ("soc: ti: Add wkup_m3_ipc driver") Signed-off-by: Miaoqian Lin Signed-off-by: Nishanth Menon Acked-by: Dave Gerlach Link: https://lore.kernel.org/r/20220114062840.16620-1-linmq006@gmail.com --- drivers/soc/ti/wkup_m3_ipc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/soc') diff --git a/drivers/soc/ti/wkup_m3_ipc.c b/drivers/soc/ti/wkup_m3_ipc.c index 72386bd393fe..2f03ced0f411 100644 --- a/drivers/soc/ti/wkup_m3_ipc.c +++ b/drivers/soc/ti/wkup_m3_ipc.c @@ -450,9 +450,9 @@ static int wkup_m3_ipc_probe(struct platform_device *pdev) return PTR_ERR(m3_ipc->ipc_mem_base); irq = platform_get_irq(pdev, 0); - if (!irq) { + if (irq < 0) { dev_err(&pdev->dev, "no irq resource\n"); - return -ENXIO; + return irq; } ret = devm_request_irq(dev, irq, wkup_m3_txev_handler, -- cgit v1.2.3-73-gaa49b From c65d68e7e95a39da31d64d67d5bea6550b91fb43 Mon Sep 17 00:00:00 2001 From: Vignesh Raghavendra Date: Fri, 25 Feb 2022 17:32:35 +0530 Subject: soc: ti: k3-socinfo: Add AM62x JTAG ID Add JTAG ID entry to help identify AM62x SoC in kernel. Signed-off-by: Vignesh Raghavendra Reviewed-by: Bryan Brattlof Signed-off-by: Nishanth Menon Link: https://lore.kernel.org/r/20220225120239.1303821-2-vigneshr@ti.com --- drivers/soc/ti/k3-socinfo.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/soc') diff --git a/drivers/soc/ti/k3-socinfo.c b/drivers/soc/ti/k3-socinfo.c index b6b2150aca4e..91f441ee6175 100644 --- a/drivers/soc/ti/k3-socinfo.c +++ b/drivers/soc/ti/k3-socinfo.c @@ -42,6 +42,7 @@ static const struct k3_soc_id { { 0xBB6D, "J7200" }, { 0xBB38, "AM64X" }, { 0xBB75, "J721S2"}, + { 0xBB7E, "AM62X" }, }; static int -- cgit v1.2.3-73-gaa49b