From patchwork Wed Jun 10 14:38:52 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 28460 X-Patchwork-Delegate: benh@kernel.crashing.org Return-Path: X-Original-To: patchwork-incoming@bilbo.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from ozlabs.org (ozlabs.org [203.10.76.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.ozlabs.org", Issuer "CA Cert Signing Authority" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id 740E0B71B8 for ; Thu, 11 Jun 2009 01:07:38 +1000 (EST) Received: by ozlabs.org (Postfix) id 45663DDEE0; Thu, 11 Jun 2009 01:07:38 +1000 (EST) Delivered-To: patchwork-incoming@ozlabs.org Received: from bilbo.ozlabs.org (bilbo.ozlabs.org [203.10.76.25]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "bilbo.ozlabs.org", Issuer "CAcert Class 3 Root" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 41920DDEDB for ; Thu, 11 Jun 2009 01:07:38 +1000 (EST) Received: from bilbo.ozlabs.org (localhost [127.0.0.1]) by bilbo.ozlabs.org (Postfix) with ESMTP id F1792105123 for ; Thu, 11 Jun 2009 00:42:29 +1000 (EST) Received: from ozlabs.org (ozlabs.org [203.10.76.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.ozlabs.org", Issuer "CA Cert Signing Authority" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id 5AB99B7103 for ; Thu, 11 Jun 2009 00:39:22 +1000 (EST) Received: by ozlabs.org (Postfix) id 10C2FDDF8F; Thu, 11 Jun 2009 00:39:22 +1000 (EST) Delivered-To: linuxppc-dev@ozlabs.org Received: from pophost.sonytel.be (vervifontaine.sonytel.be [80.88.33.193]) by ozlabs.org (Postfix) with ESMTP id 7533EDDE45; Thu, 11 Jun 2009 00:39:20 +1000 (EST) Received: from vixen.sonytel.be (piraat.sonytel.be [43.221.60.197]) by pophost.sonytel.be (Postfix) with ESMTP id 4417A44498; Wed, 10 Jun 2009 16:39:12 +0200 (CEST) Received: from geert by vixen.sonytel.be with local (Exim 4.63) (envelope-from ) id 1MEOxI-0006KM-IE; Wed, 10 Jun 2009 16:39:08 +0200 From: Geert Uytterhoeven To: Benjamin Herrenschmidt Subject: [PATCH 17/33] block/ps3: remove driver_data direct access of struct device Date: Wed, 10 Jun 2009 16:38:52 +0200 Message-Id: <1244644748-24211-18-git-send-email-Geert.Uytterhoeven@sonycom.com> X-Mailer: git-send-email 1.6.2.4 In-Reply-To: <1244644748-24211-17-git-send-email-Geert.Uytterhoeven@sonycom.com> References: <1244644748-24211-1-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-2-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-3-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-4-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-5-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-6-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-7-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-8-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-9-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-10-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-11-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-12-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-13-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-14-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-15-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-16-git-send-email-Geert.Uytterhoeven@sonycom.com> <1244644748-24211-17-git-send-email-Geert.Uytterhoeven@sonycom.com> Cc: Jens Axboe , Roel Kluin , Jim Paris , linuxppc-dev@ozlabs.org, Geert Uytterhoeven , cbe-oss-dev@ozlabs.org X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org From: Roel Kluin In the near future, the driver core is going to not allow direct access to the driver_data pointer in struct device. Instead, the functions dev_get_drvdata() and dev_set_drvdata() should be used. These functions have been around since the beginning, so are backwards compatible with all older kernel versions. [Geert: Use ps3_system_bus_[gs]et_driver_data() for ps3_system_bus_device] Signed-off-by: Roel Kluin Signed-off-by: Geert Uytterhoeven Cc: Jim Paris Cc: Jens Axboe --- drivers/block/ps3disk.c | 23 +++++++++++++-------- drivers/block/ps3vram.c | 50 ++++++++++++++++++++++------------------------ 2 files changed, 38 insertions(+), 35 deletions(-) diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c index bccc42b..d5781a8 100644 --- a/drivers/block/ps3disk.c +++ b/drivers/block/ps3disk.c @@ -120,7 +120,8 @@ static void ps3disk_scatter_gather(struct ps3_storage_device *dev, static int ps3disk_submit_request_sg(struct ps3_storage_device *dev, struct request *req) { - struct ps3disk_private *priv = dev->sbd.core.driver_data; + struct ps3disk_private *priv = + ps3_system_bus_get_driver_data(&dev->sbd); int write = rq_data_dir(req), res; const char *op = write ? "write" : "read"; u64 start_sector, sectors; @@ -169,7 +170,8 @@ static int ps3disk_submit_request_sg(struct ps3_storage_device *dev, static int ps3disk_submit_flush_request(struct ps3_storage_device *dev, struct request *req) { - struct ps3disk_private *priv = dev->sbd.core.driver_data; + struct ps3disk_private *priv = + ps3_system_bus_get_driver_data(&dev->sbd); u64 res; dev_dbg(&dev->sbd.core, "%s:%u: flush request\n", __func__, __LINE__); @@ -214,7 +216,8 @@ static void ps3disk_do_request(struct ps3_storage_device *dev, static void ps3disk_request(struct request_queue *q) { struct ps3_storage_device *dev = q->queuedata; - struct ps3disk_private *priv = dev->sbd.core.driver_data; + struct ps3disk_private *priv = + ps3_system_bus_get_driver_data(&dev->sbd); if (priv->req) { dev_dbg(&dev->sbd.core, "%s:%u busy\n", __func__, __LINE__); @@ -247,7 +250,7 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data) return IRQ_HANDLED; } - priv = dev->sbd.core.driver_data; + priv = ps3_system_bus_get_driver_data(&dev->sbd); req = priv->req; if (!req) { dev_dbg(&dev->sbd.core, @@ -368,7 +371,8 @@ static void ata_id_c_string(const u16 *id, unsigned char *s, unsigned int ofs, static int ps3disk_identify(struct ps3_storage_device *dev) { - struct ps3disk_private *priv = dev->sbd.core.driver_data; + struct ps3disk_private *priv = + ps3_system_bus_get_driver_data(&dev->sbd); struct lv1_ata_cmnd_block ata_cmnd; u16 *id = dev->bounce_buf; u64 res; @@ -449,7 +453,7 @@ static int __devinit ps3disk_probe(struct ps3_system_bus_device *_dev) goto fail; } - dev->sbd.core.driver_data = priv; + ps3_system_bus_set_driver_data(_dev, priv); spin_lock_init(&priv->lock); dev->bounce_size = BOUNCE_SIZE; @@ -527,7 +531,7 @@ fail_free_bounce: kfree(dev->bounce_buf); fail_free_priv: kfree(priv); - dev->sbd.core.driver_data = NULL; + ps3_system_bus_set_driver_data(_dev, NULL); fail: mutex_lock(&ps3disk_mask_mutex); __clear_bit(devidx, &ps3disk_mask); @@ -538,7 +542,8 @@ fail: static int ps3disk_remove(struct ps3_system_bus_device *_dev) { struct ps3_storage_device *dev = to_ps3_storage_device(&_dev->core); - struct ps3disk_private *priv = dev->sbd.core.driver_data; + struct ps3disk_private *priv = + ps3_system_bus_get_driver_data(&dev->sbd); mutex_lock(&ps3disk_mask_mutex); __clear_bit(MINOR(disk_devt(priv->gendisk)) / PS3DISK_MINORS, @@ -552,7 +557,7 @@ static int ps3disk_remove(struct ps3_system_bus_device *_dev) ps3stor_teardown(dev); kfree(dev->bounce_buf); kfree(priv); - dev->sbd.core.driver_data = NULL; + ps3_system_bus_set_driver_data(_dev, NULL); return 0; } diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c index fbbdd5c..fcecc7f 100644 --- a/drivers/block/ps3vram.c +++ b/drivers/block/ps3vram.c @@ -110,7 +110,7 @@ static u32 *ps3vram_get_notifier(void *reports, int notifier) static void ps3vram_notifier_reset(struct ps3_system_bus_device *dev) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); u32 *notify = ps3vram_get_notifier(priv->reports, NOTIFIER); int i; @@ -121,7 +121,7 @@ static void ps3vram_notifier_reset(struct ps3_system_bus_device *dev) static int ps3vram_notifier_wait(struct ps3_system_bus_device *dev, unsigned int timeout_ms) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); u32 *notify = ps3vram_get_notifier(priv->reports, NOTIFIER); unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms); @@ -136,7 +136,7 @@ static int ps3vram_notifier_wait(struct ps3_system_bus_device *dev, static void ps3vram_init_ring(struct ps3_system_bus_device *dev) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); priv->ctrl[CTRL_PUT] = FIFO_BASE + FIFO_OFFSET; priv->ctrl[CTRL_GET] = FIFO_BASE + FIFO_OFFSET; @@ -145,7 +145,7 @@ static void ps3vram_init_ring(struct ps3_system_bus_device *dev) static int ps3vram_wait_ring(struct ps3_system_bus_device *dev, unsigned int timeout_ms) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms); do { @@ -174,7 +174,7 @@ static void ps3vram_begin_ring(struct ps3vram_priv *priv, u32 chan, u32 tag, static void ps3vram_rewind_ring(struct ps3_system_bus_device *dev) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); int status; ps3vram_out_ring(priv, 0x20000000 | (FIFO_BASE + FIFO_OFFSET)); @@ -192,7 +192,7 @@ static void ps3vram_rewind_ring(struct ps3_system_bus_device *dev) static void ps3vram_fire_ring(struct ps3_system_bus_device *dev) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); int status; mutex_lock(&ps3_gpu_mutex); @@ -218,7 +218,7 @@ static void ps3vram_fire_ring(struct ps3_system_bus_device *dev) static void ps3vram_bind(struct ps3_system_bus_device *dev) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); ps3vram_begin_ring(priv, UPLOAD_SUBCH, 0, 1); ps3vram_out_ring(priv, 0x31337303); @@ -241,7 +241,7 @@ static int ps3vram_upload(struct ps3_system_bus_device *dev, unsigned int src_offset, unsigned int dst_offset, int len, int count) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); ps3vram_begin_ring(priv, UPLOAD_SUBCH, NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8); @@ -273,7 +273,7 @@ static int ps3vram_download(struct ps3_system_bus_device *dev, unsigned int src_offset, unsigned int dst_offset, int len, int count) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); ps3vram_begin_ring(priv, DOWNLOAD_SUBCH, NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8); @@ -303,7 +303,7 @@ static int ps3vram_download(struct ps3_system_bus_device *dev, static void ps3vram_cache_evict(struct ps3_system_bus_device *dev, int entry) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); struct ps3vram_cache *cache = &priv->cache; if (!(cache->tags[entry].flags & CACHE_PAGE_DIRTY)) @@ -325,7 +325,7 @@ static void ps3vram_cache_evict(struct ps3_system_bus_device *dev, int entry) static void ps3vram_cache_load(struct ps3_system_bus_device *dev, int entry, unsigned int address) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); struct ps3vram_cache *cache = &priv->cache; dev_dbg(&dev->core, "Fetching %d: 0x%08x\n", entry, address); @@ -345,7 +345,7 @@ static void ps3vram_cache_load(struct ps3_system_bus_device *dev, int entry, static void ps3vram_cache_flush(struct ps3_system_bus_device *dev) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); struct ps3vram_cache *cache = &priv->cache; int i; @@ -359,7 +359,7 @@ static void ps3vram_cache_flush(struct ps3_system_bus_device *dev) static unsigned int ps3vram_cache_match(struct ps3_system_bus_device *dev, loff_t address) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); struct ps3vram_cache *cache = &priv->cache; unsigned int base; unsigned int offset; @@ -393,7 +393,7 @@ static unsigned int ps3vram_cache_match(struct ps3_system_bus_device *dev, static int ps3vram_cache_init(struct ps3_system_bus_device *dev) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); priv->cache.page_count = CACHE_PAGE_COUNT; priv->cache.page_size = CACHE_PAGE_SIZE; @@ -412,7 +412,7 @@ static int ps3vram_cache_init(struct ps3_system_bus_device *dev) static void ps3vram_cache_cleanup(struct ps3_system_bus_device *dev) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); ps3vram_cache_flush(dev); kfree(priv->cache.tags); @@ -421,7 +421,7 @@ static void ps3vram_cache_cleanup(struct ps3_system_bus_device *dev) static int ps3vram_read(struct ps3_system_bus_device *dev, loff_t from, size_t len, size_t *retlen, u_char *buf) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); unsigned int cached, count; dev_dbg(&dev->core, "%s: from=0x%08x len=0x%zx\n", __func__, @@ -465,7 +465,7 @@ static int ps3vram_read(struct ps3_system_bus_device *dev, loff_t from, static int ps3vram_write(struct ps3_system_bus_device *dev, loff_t to, size_t len, size_t *retlen, const u_char *buf) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); unsigned int cached, count; if (to >= priv->size) @@ -528,7 +528,7 @@ static const struct file_operations ps3vram_proc_fops = { static void __devinit ps3vram_proc_init(struct ps3_system_bus_device *dev) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); struct proc_dir_entry *pde; pde = proc_create_data(DEVICE_NAME, 0444, NULL, &ps3vram_proc_fops, @@ -540,7 +540,7 @@ static void __devinit ps3vram_proc_init(struct ps3_system_bus_device *dev) static struct bio *ps3vram_do_bio(struct ps3_system_bus_device *dev, struct bio *bio) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); int write = bio_data_dir(bio) == WRITE; const char *op = write ? "write" : "read"; loff_t offset = bio->bi_sector << 9; @@ -590,7 +590,7 @@ out: static int ps3vram_make_request(struct request_queue *q, struct bio *bio) { struct ps3_system_bus_device *dev = q->queuedata; - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); int busy; dev_dbg(&dev->core, "%s\n", __func__); @@ -628,9 +628,7 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev) spin_lock_init(&priv->lock); bio_list_init(&priv->list); - dev->core.driver_data = priv; - - priv = dev->core.driver_data; + ps3_system_bus_set_driver_data(dev, priv); /* Allocate XDR buffer (1MiB aligned) */ priv->xdr_buf = (void *)__get_free_pages(GFP_KERNEL, @@ -795,14 +793,14 @@ out_free_xdr_buf: free_pages((unsigned long) priv->xdr_buf, get_order(XDR_BUF_SIZE)); fail_free_priv: kfree(priv); - dev->core.driver_data = NULL; + ps3_system_bus_set_driver_data(dev, NULL); fail: return error; } static int ps3vram_remove(struct ps3_system_bus_device *dev) { - struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_priv *priv = ps3_system_bus_get_driver_data(dev); del_gendisk(priv->gendisk); put_disk(priv->gendisk); @@ -819,7 +817,7 @@ static int ps3vram_remove(struct ps3_system_bus_device *dev) ps3_close_hv_device(dev); free_pages((unsigned long) priv->xdr_buf, get_order(XDR_BUF_SIZE)); kfree(priv); - dev->core.driver_data = NULL; + ps3_system_bus_set_driver_data(dev, NULL); return 0; }