mtd/ps3vram: Cleanup ps3vram driver messages

Cleanup the ps3vram driver messages.  Add a new struct device pointer
variable dev to struct ps3vram_priv and use dev_dbg(), pr_dbg(), etc.
where appropriate.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 68 insertions, 48 deletions

diff --git a/drivers/mtd/devices/ps3vram.c b/drivers/mtd/devices/ps3vram.c
index 18ca5219a982..f5cc2908bdca 100644
--- a/drivers/mtd/devices/ps3vram.c
+++ b/drivers/mtd/devices/ps3vram.c
@@ -53,9 +53,6 @@ struct mtd_info ps3vram_mtd;
 #define CACHE_PAGE_PRESENT 1
 #define CACHE_PAGE_DIRTY   2
 
-#define dbg(fmt, args...)       \
-        pr_debug("%s:%d " fmt "\n", __func__, __LINE__, ## args)
-
 struct ps3vram_tag {
         unsigned int address;
         unsigned int flags;
@@ -78,6 +75,7 @@ struct ps3vram_priv {
         uint32_t *fifo_base;
         uint32_t *fifo_ptr;
 
+        struct device *dev;
         struct ps3vram_cache cache;
 
         /* Used to serialize cache/DMA operations */
@@ -148,8 +146,9 @@ static int ps3vram_wait_ring(struct mtd_info *mtd, int timeout)
                 udelay(1);
         }
         if (timeout == 0) {
-                pr_err("FIFO timeout (%08x/%08x/%08x)\n", priv->ctrl[CTRL_PUT],
-                       priv->ctrl[CTRL_GET], priv->ctrl[CTRL_TOP]);
+                dev_dbg(priv->dev, "%s:%d: FIFO timeout (%08x/%08x/%08x)\n",
+                        __func__, __LINE__, priv->ctrl[CTRL_PUT],
+                        priv->ctrl[CTRL_GET], priv->ctrl[CTRL_TOP]);
                 return -ETIMEDOUT;
         }
 
@@ -181,7 +180,8 @@ static void ps3vram_rewind_ring(struct mtd_info *mtd)
                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
                                            0, 0, 0, 0);
         if (status)
-                pr_err("ps3vram: lv1_gpu_context_attribute FB_BLIT failed\n");
+                dev_err(priv->dev, "%s:%d: lv1_gpu_context_attribute failed\n",
+                        __func__, __LINE__);
 
         priv->fifo_ptr = priv->fifo_base;
 }
@@ -201,11 +201,13 @@ static void ps3vram_fire_ring(struct mtd_info *mtd)
                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
                                            0, 0, 0, 0);
         if (status)
-                pr_err("ps3vram: lv1_gpu_context_attribute FB_BLIT failed\n");
+                dev_err(priv->dev, "%s:%d: lv1_gpu_context_attribute failed\n",
+                        __func__, __LINE__);
 
         if ((priv->fifo_ptr - priv->fifo_base) * sizeof(uint32_t) >
             FIFO_SIZE - 1024) {
-                dbg("fifo full, rewinding");
+                dev_dbg(priv->dev, "%s:%d: fifo full, rewinding\n", __func__,
+                        __LINE__);
                 ps3vram_wait_ring(mtd, 200);
                 ps3vram_rewind_ring(mtd);
         }
@@ -258,7 +260,8 @@ static int ps3vram_upload(struct mtd_info *mtd, unsigned int src_offset,
         ps3vram_out_ring(priv, 0);
         ps3vram_fire_ring(mtd);
         if (ps3vram_notifier_wait(mtd, 200) < 0) {
-                pr_err("notifier timeout\n");
+                dev_dbg(priv->dev, "%s:%d: notifier timeout\n", __func__,
+                        __LINE__);
                 return -1;
         }
 
@@ -289,7 +292,8 @@ static int ps3vram_download(struct mtd_info *mtd, unsigned int src_offset,
         ps3vram_out_ring(priv, 0);
         ps3vram_fire_ring(mtd);
         if (ps3vram_notifier_wait(mtd, 200) < 0) {
-                pr_err("notifier timeout\n");
+                dev_dbg(priv->dev, "%s:%d: notifier timeout\n", __func__,
+                        __LINE__);
                 return -1;
         }
 
@@ -302,16 +306,17 @@ static void ps3vram_cache_evict(struct mtd_info *mtd, int entry)
         struct ps3vram_cache *cache = &priv->cache;
 
         if (cache->tags[entry].flags & CACHE_PAGE_DIRTY) {
-                dbg("flushing %d : 0x%08x", entry, cache->tags[entry].address);
+                dev_dbg(priv->dev, "%s:%d: flushing %d : 0x%08x\n", __func__,
+                        __LINE__, entry, cache->tags[entry].address);
                 if (ps3vram_upload(mtd,
                                    CACHE_OFFSET + entry * cache->page_size,
                                    cache->tags[entry].address,
                                    DMA_PAGE_SIZE,
                                    cache->page_size / DMA_PAGE_SIZE) < 0) {
-                        pr_err("failed to upload from 0x%x to 0x%x size 0x%x\n",
-                               entry * cache->page_size,
-                               cache->tags[entry].address,
-                               cache->page_size);
+                        dev_dbg(priv->dev, "%s:%d: failed to upload from "
+                                "0x%x to 0x%x size 0x%x\n", __func__, __LINE__,
+                                entry * cache->page_size,
+                                cache->tags[entry].address, cache->page_size);
                 }
                 cache->tags[entry].flags &= ~CACHE_PAGE_DIRTY;
         }
@@ -323,16 +328,16 @@ static void ps3vram_cache_load(struct mtd_info *mtd, int entry,
         struct ps3vram_priv *priv = mtd->priv;
         struct ps3vram_cache *cache = &priv->cache;
 
-        dbg("fetching %d : 0x%08x", entry, address);
+        dev_dbg(priv->dev, "%s:%d: fetching %d : 0x%08x\n", __func__, __LINE__,
+                entry, address);
         if (ps3vram_download(mtd,
                              address,
                              CACHE_OFFSET + entry * cache->page_size,
                              DMA_PAGE_SIZE,
                              cache->page_size / DMA_PAGE_SIZE) < 0) {
-                pr_err("failed to download from 0x%x to 0x%x size 0x%x\n",
-                       address,
-                       entry * cache->page_size,
-                       cache->page_size);
+                dev_err(priv->dev, "%s:%d: failed to download from "
+                        "0x%x to 0x%x size 0x%x\n", __func__, __LINE__, address,
+                        entry * cache->page_size, cache->page_size);
         }
 
         cache->tags[entry].address = address;
@@ -346,7 +351,7 @@ static void ps3vram_cache_flush(struct mtd_info *mtd)
         struct ps3vram_cache *cache = &priv->cache;
         int i;
 
-        dbg("FLUSH");
+        dev_dbg(priv->dev, "%s:%d: FLUSH\n", __func__, __LINE__);
         for (i = 0; i < cache->page_count; i++) {
                 ps3vram_cache_evict(mtd, i);
                 cache->tags[i].flags = 0;
@@ -369,15 +374,15 @@ static unsigned int ps3vram_cache_match(struct mtd_info *mtd, loff_t address)
         for (i = 0; i < cache->page_count; i++) {
                 if ((cache->tags[i].flags & CACHE_PAGE_PRESENT) &&
                     cache->tags[i].address == base) {
-                        dbg("found entry %d : 0x%08x",
-                            i, cache->tags[i].address);
+                        dev_dbg(priv->dev, "%s:%d: found entry %d : 0x%08x\n",
+                                __func__, __LINE__, i, cache->tags[i].address);
                         return i;
                 }
         }
 
         /* choose a random entry */
         i = (jiffies + (counter++)) % cache->page_count;
-        dbg("using cache entry %d", i);
+        dev_dbg(priv->dev, "%s:%d: using entry %d\n", __func__, __LINE__, i);
 
         ps3vram_cache_evict(mtd, i);
         ps3vram_cache_load(mtd, i, base);
@@ -389,18 +394,19 @@ static int ps3vram_cache_init(struct mtd_info *mtd)
 {
         struct ps3vram_priv *priv = mtd->priv;
 
-        pr_info("creating cache: %d entries, %d bytes pages\n",
-               CACHE_PAGE_COUNT, CACHE_PAGE_SIZE);
-
         priv->cache.page_count = CACHE_PAGE_COUNT;
         priv->cache.page_size = CACHE_PAGE_SIZE;
         priv->cache.tags = kzalloc(sizeof(struct ps3vram_tag) *
                                    CACHE_PAGE_COUNT, GFP_KERNEL);
         if (priv->cache.tags == NULL) {
-                pr_err("could not allocate cache tags\n");
+                dev_err(priv->dev, "%s:%d: could not allocate cache tags\n",
+                        __func__, __LINE__);
                 return -ENOMEM;
         }
 
+        dev_info(priv->dev, "created ram cache: %d entries, %d KiB each\n",
+                CACHE_PAGE_COUNT, CACHE_PAGE_SIZE / 1024);
+
         return 0;
 }
 
@@ -434,14 +440,14 @@ static int ps3vram_erase(struct mtd_info *mtd, struct erase_info *instr)
         return 0;
 }
 
-
 static int ps3vram_read(struct mtd_info *mtd, loff_t from, size_t len,
                         size_t *retlen, u_char *buf)
 {
         struct ps3vram_priv *priv = mtd->priv;
         unsigned int cached, count;
 
-        dbg("from = 0x%08x len = 0x%zx", (unsigned int) from, len);
+        dev_dbg(priv->dev, "%s:%d: from=0x%08x len=0x%zx\n", __func__, __LINE__,
+                (unsigned int)from, len);
 
         if (from >= mtd->size)
                 return -EINVAL;
@@ -463,8 +469,9 @@ static int ps3vram_read(struct mtd_info *mtd, loff_t from, size_t len,
                 entry = ps3vram_cache_match(mtd, from);
                 cached = CACHE_OFFSET + entry * priv->cache.page_size + offset;
 
-                dbg("from=%08x cached=%08x offset=%08x avail=%08x count=%08x",
-                    (unsigned)from, cached, offset, avail, count);
+                dev_dbg(priv->dev, "%s:%d: from=%08x cached=%08x offset=%08x "
+                        "avail=%08x count=%08x\n", __func__, __LINE__,
+                        (unsigned int)from, cached, offset, avail, count);
 
                 if (avail > count)
                         avail = count;
@@ -507,8 +514,9 @@ static int ps3vram_write(struct mtd_info *mtd, loff_t to, size_t len,
                 entry = ps3vram_cache_match(mtd, to);
                 cached = CACHE_OFFSET + entry * priv->cache.page_size + offset;
 
-                dbg("to=%08x cached=%08x offset=%08x avail=%08x count=%08x",
-                    (unsigned) to, cached, offset, avail, count);
+                dev_dbg(priv->dev, "%s:%d: to=%08x cached=%08x offset=%08x "
+                        "avail=%08x count=%08x\n", __func__, __LINE__,
+                        (unsigned int)to, cached, offset, avail, count);
 
                 if (avail > count)
                         avail = count;
@@ -544,12 +552,14 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
         priv = ps3vram_mtd.priv;
 
         mutex_init(&priv->lock);
+        priv->dev = &dev->core;
 
         /* Allocate XDR buffer (1MiB aligned) */
         priv->xdr_buf = (uint8_t *) __get_free_pages(GFP_KERNEL,
                                                      get_order(XDR_BUF_SIZE));
         if (priv->xdr_buf == NULL) {
-                pr_err("ps3vram: could not allocate XDR buffer\n");
+                dev_dbg(&dev->core, "%s:%d: could not allocate XDR buffer\n",
+                        __func__, __LINE__);
                 ret = -ENOMEM;
                 goto out_free_priv;
         }
@@ -560,7 +570,8 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
 
         /* XXX: Need to open GPU, in case ps3fb or snd_ps3 aren't loaded */
         if (ps3_open_hv_device(dev)) {
-                pr_err("ps3vram: ps3_open_hv_device failed\n");
+                dev_err(&dev->core, "%s:%d: ps3_open_hv_device failed\n",
+                        __func__, __LINE__);
                 ret = -EAGAIN;
                 goto out_close_gpu;
         }
@@ -572,7 +583,8 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
                 ddr_size -= ps3fb_videomemory.size;
         ddr_size = ALIGN(ddr_size, 1024*1024);
         if (ddr_size <= 0) {
-                printk(KERN_ERR "ps3vram: specified size is too small\n");
+                dev_err(&dev->core, "%s:%d: specified size is too small\n",
+                        __func__, __LINE__);
                 ret = -EINVAL;
                 goto out_close_gpu;
         }
@@ -586,12 +598,11 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
                 ddr_size -= 1024*1024;
         }
         if (status != 0 || ddr_size <= 0) {
-                pr_err("ps3vram: lv1_gpu_memory_allocate failed\n");
+                dev_err(&dev->core, "%s:%d: lv1_gpu_memory_allocate failed\n",
+                        __func__, __LINE__);
                 ret = -ENOMEM;
                 goto out_free_xdr_buf;
         }
-        pr_info("ps3vram: allocated %u MiB of DDR memory\n",
-                (unsigned int) (ddr_size / 1024 / 1024));
 
         /* Request context */
         status = lv1_gpu_context_allocate(priv->memory_handle,
@@ -602,7 +613,8 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
                                           &reports_lpar,
                                           &reports_size);
         if (status) {
-                pr_err("ps3vram: lv1_gpu_context_allocate failed\n");
+                dev_err(&dev->core, "%s:%d: lv1_gpu_context_allocate failed\n",
+                        __func__, __LINE__);
                 ret = -ENOMEM;
                 goto out_free_memory;
         }
@@ -612,28 +624,32 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
                                        ps3_mm_phys_to_lpar(__pa(priv->xdr_buf)),
                                        XDR_BUF_SIZE, 0);
         if (status) {
-                pr_err("ps3vram: lv1_gpu_context_iomap failed\n");
+                dev_err(&dev->core, "%s:%d: lv1_gpu_context_iomap failed\n",
+                        __func__, __LINE__);
                 ret = -ENOMEM;
                 goto out_free_context;
         }
 
         priv->base = ioremap(ddr_lpar, ddr_size);
         if (!priv->base) {
-                pr_err("ps3vram: ioremap failed\n");
+                dev_err(&dev->core, "%s:%d: ioremap failed\n", __func__,
+                        __LINE__);
                 ret = -ENOMEM;
                 goto out_free_context;
         }
 
         priv->ctrl = ioremap(ctrl_lpar, 64 * 1024);
         if (!priv->ctrl) {
-                pr_err("ps3vram: ioremap failed\n");
+                dev_err(&dev->core, "%s:%d: ioremap failed\n", __func__,
+                        __LINE__);
                 ret = -ENOMEM;
                 goto out_unmap_vram;
         }
 
         priv->reports = ioremap(reports_lpar, reports_size);
         if (!priv->reports) {
-                pr_err("ps3vram: ioremap failed\n");
+                dev_err(&dev->core, "%s:%d: ioremap failed\n", __func__,
+                        __LINE__);
                 ret = -ENOMEM;
                 goto out_unmap_ctrl;
         }
@@ -661,7 +677,8 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
         ret = ps3vram_wait_ring(&ps3vram_mtd, 100);
         mutex_unlock(&ps3_gpu_mutex);
         if (ret < 0) {
-                pr_err("failed to initialize channels\n");
+                dev_err(&dev->core, "%s:%d: failed to initialize channels\n",
+                        __func__, __LINE__);
                 ret = -ETIMEDOUT;
                 goto out_unmap_reports;
         }
@@ -669,12 +686,15 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
         ps3vram_cache_init(&ps3vram_mtd);
 
         if (add_mtd_device(&ps3vram_mtd)) {
-                pr_err("ps3vram: failed to register device\n");
+                dev_err(&dev->core, "%s:%d: add_mtd_device failed\n",
+                        __func__, __LINE__);
                 ret = -EAGAIN;
                 goto out_cache_cleanup;
         }
 
-        pr_info("ps3vram mtd device registered, %lu bytes\n", ddr_size);
+        dev_info(&dev->core, "reserved %u MiB of gpu memory\n",
+                (unsigned int)(ddr_size / 1024 / 1024));
+
         return 0;
 
 out_cache_cleanup: