diff options
Diffstat (limited to 'recipes-kernel/most/files/0006-dim2-fix-startup-sequence.patch')
| -rw-r--r-- | recipes-kernel/most/files/0006-dim2-fix-startup-sequence.patch | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/recipes-kernel/most/files/0006-dim2-fix-startup-sequence.patch b/recipes-kernel/most/files/0006-dim2-fix-startup-sequence.patch deleted file mode 100644 index 59c6ae671..000000000 --- a/recipes-kernel/most/files/0006-dim2-fix-startup-sequence.patch +++ /dev/null @@ -1,186 +0,0 @@ -From 63bcd9b421ae7927948bffec9566db47f40ea290 Mon Sep 17 00:00:00 2001 -From: Andrey Shvetsov <andrey.shvetsov@k2l.de> -Date: Tue, 30 Jan 2018 17:34:09 +0100 -Subject: [PATCH] staging: most: dim2: fix startup sequence - -Platform specific initializations (pdata->init) must be done before DIM2 -IP module startup (dim_startup). - -Signed-off-by: Andrey Shvetsov <andrey.shvetsov@k2l.de> ---- - hdm-dim2/dim2_hdm.c | 90 +++++++++++++++++++++++++++++++++++++++--------------------------------------------------- - 1 file changed, 39 insertions(+), 51 deletions(-) - -diff --git a/hdm-dim2/dim2_hdm.c b/hdm-dim2/dim2_hdm.c -index 893b8e4..e4629a5 100644 ---- a/hdm-dim2/dim2_hdm.c -+++ b/hdm-dim2/dim2_hdm.c -@@ -155,38 +155,6 @@ void dimcb_on_error(u8 error_id, const char *error_message) - } - - /** -- * startup_dim - initialize the dim2 interface -- * @pdev: platform device -- */ --static int startup_dim(struct platform_device *pdev) --{ -- struct dim2_hdm *dev = platform_get_drvdata(pdev); -- struct dim2_platform_data *pdata = pdev->dev.platform_data; -- u8 hal_ret; -- int ret; -- -- if (!pdata) { -- pr_err("missing platform data\n"); -- return -EINVAL; -- } -- -- ret = pdata->init ? pdata->init(pdata, dev->io_base) : 0; -- if (ret) -- return ret; -- -- pr_info("sync: num of frames per sub-buffer: %u\n", fcnt); -- hal_ret = dim_startup(dev->io_base, pdata->clk_speed, fcnt); -- if (hal_ret != DIM_NO_ERROR) { -- pr_err("dim_startup failed: %d\n", hal_ret); -- if (pdata && pdata->destroy) -- pdata->destroy(pdata); -- return -ENODEV; -- } -- -- return 0; --} -- --/** - * try_start_dim_transfer - try to transfer a buffer on a channel - * @hdm_ch: channel specific data - * -@@ -727,10 +695,12 @@ static void dma_free(struct mbo *mbo, u32 size) - */ - static int dim2_probe(struct platform_device *pdev) - { -+ struct dim2_platform_data *pdata = pdev->dev.platform_data; - struct dim2_hdm *dev; - struct resource *res; - int ret, i; - struct kobject *kobj; -+ u8 hal_ret; - int irq; - - dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); -@@ -745,38 +715,59 @@ static int dim2_probe(struct platform_device *pdev) - if (IS_ERR(dev->io_base)) - return PTR_ERR(dev->io_base); - -+ if (!pdata) { -+ dev_err(&pdev->dev, "missing platform data\n"); -+ return -EINVAL; -+ } -+ -+ ret = pdata->init ? pdata->init(pdata, dev->io_base) : 0; -+ if (ret) -+ return ret; -+ -+ dev_info(&pdev->dev, "sync: num of frames per sub-buffer: %u\n", fcnt); -+ hal_ret = dim_startup(dev->io_base, pdata->clk_speed, fcnt); -+ if (hal_ret != DIM_NO_ERROR) { -+ dev_err(&pdev->dev, "dim_startup failed: %d\n", hal_ret); -+ ret = -ENODEV; -+ goto err_bsp_destroy; -+ } -+ - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "failed to get ahb0_int irq: %d\n", irq); -- return irq; -+ ret = irq; -+ goto err_shutdown_dim; - } - - ret = devm_request_irq(&pdev->dev, irq, dim2_ahb_isr, 0, - "dim2_ahb0_int", dev); - if (ret) { - dev_err(&pdev->dev, "failed to request ahb0_int irq %d\n", irq); -- return ret; -+ goto err_shutdown_dim; - } - - irq = platform_get_irq(pdev, 1); - if (irq < 0) { - dev_err(&pdev->dev, "failed to get mlb_int irq: %d\n", irq); -- return irq; -+ ret = irq; -+ goto err_shutdown_dim; - } - - ret = devm_request_irq(&pdev->dev, irq, dim2_mlb_isr, 0, - "dim2_mlb_int", dev); - if (ret) { - dev_err(&pdev->dev, "failed to request mlb_int irq %d\n", irq); -- return ret; -+ goto err_shutdown_dim; - } - - init_waitqueue_head(&dev->netinfo_waitq); - dev->deliver_netinfo = 0; -- dev->netinfo_task = kthread_run(&deliver_netinfo_thread, (void *)dev, -+ dev->netinfo_task = kthread_run(&deliver_netinfo_thread, dev, - "dim2_netinfo"); -- if (IS_ERR(dev->netinfo_task)) -- return PTR_ERR(dev->netinfo_task); -+ if (IS_ERR(dev->netinfo_task)) { -+ ret = PTR_ERR(dev->netinfo_task); -+ goto err_shutdown_dim; -+ } - - for (i = 0; i < DMA_CHANNELS; i++) { - struct most_channel_capability *cap = dev->capabilities + i; -@@ -833,20 +824,17 @@ static int dim2_probe(struct platform_device *pdev) - if (ret) - goto err_unreg_iface; - -- ret = startup_dim(pdev); -- if (ret) { -- dev_err(&pdev->dev, "failed to initialize DIM2\n"); -- goto err_destroy_bus; -- } -- - return 0; - --err_destroy_bus: -- dim2_sysfs_destroy(&dev->bus); - err_unreg_iface: - most_deregister_interface(&dev->most_iface); - err_stop_thread: - kthread_stop(dev->netinfo_task); -+err_shutdown_dim: -+ dim_shutdown(); -+err_bsp_destroy: -+ if (pdata && pdata->destroy) -+ pdata->destroy(pdata); - - return ret; - } -@@ -863,6 +851,10 @@ static int dim2_remove(struct platform_device *pdev) - struct dim2_platform_data *pdata = pdev->dev.platform_data; - unsigned long flags; - -+ dim2_sysfs_destroy(&dev->bus); -+ most_deregister_interface(&dev->most_iface); -+ kthread_stop(dev->netinfo_task); -+ - spin_lock_irqsave(&dim_lock, flags); - dim_shutdown(); - spin_unlock_irqrestore(&dim_lock, flags); -@@ -870,10 +862,6 @@ static int dim2_remove(struct platform_device *pdev) - if (pdata && pdata->destroy) - pdata->destroy(pdata); - -- dim2_sysfs_destroy(&dev->bus); -- most_deregister_interface(&dev->most_iface); -- kthread_stop(dev->netinfo_task); -- - /* - * break link to local platform_device_id struct - * to prevent crash by unload platform device module --- -libgit2 0.26.0 |