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Message-ID: <1430570583-8565-4-git-send-email-vladimir_zapolskiy@mentor.com>
Date: Sat, 2 May 2015 15:42:57 +0300
From: Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>
To: Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Heiko Stübner <heiko@...ech.de>,
Philipp Zabel <p.zabel@...gutronix.de>
CC: <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/9] misc: sram: use phys_addr_t instead of u32 for physical address
To avoid any problems on non 32-bit platforms get and store memory
addresses under phys_addr_t type.
Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@...tor.com>
---
drivers/misc/sram.c | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)
diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c
index 999684a..a703e37 100644
--- a/drivers/misc/sram.c
+++ b/drivers/misc/sram.c
@@ -41,8 +41,8 @@ struct sram_dev {
struct sram_reserve {
struct list_head list;
- u32 start;
- u32 size;
+ phys_addr_t start;
+ size_t size;
};
static int sram_reserve_cmp(void *priv, struct list_head *a,
@@ -60,7 +60,8 @@ static int sram_probe(struct platform_device *pdev)
struct sram_dev *sram;
struct resource *res;
struct device_node *np = pdev->dev.of_node, *child;
- unsigned long size, cur_start, cur_size;
+ phys_addr_t cur_start;
+ size_t size, cur_size;
struct sram_reserve *rblocks, *block;
struct list_head reserve_list;
unsigned int nblocks;
@@ -138,9 +139,9 @@ static int sram_probe(struct platform_device *pdev)
block->size = resource_size(&child_res);
list_add_tail(&block->list, &reserve_list);
- dev_dbg(&pdev->dev, "found reserved block 0x%x-0x%x\n",
- block->start,
- block->start + block->size);
+ dev_dbg(&pdev->dev, "found reserved block 0x%llx-0x%llx\n",
+ (unsigned long long)block->start,
+ (unsigned long long)block->start + block->size);
block++;
}
@@ -158,8 +159,9 @@ static int sram_probe(struct platform_device *pdev)
/* can only happen if sections overlap */
if (block->start < cur_start) {
dev_err(&pdev->dev,
- "block at 0x%x starts after current offset 0x%lx\n",
- block->start, cur_start);
+ "block at 0x%llx starts after current offset 0x%llx\n",
+ (unsigned long long)block->start,
+ (unsigned long long)cur_start);
ret = -EINVAL;
goto err_chunks;
}
@@ -177,8 +179,9 @@ static int sram_probe(struct platform_device *pdev)
*/
cur_size = block->start - cur_start;
- dev_dbg(&pdev->dev, "adding chunk 0x%lx-0x%lx\n",
- cur_start, cur_start + cur_size);
+ dev_dbg(&pdev->dev, "adding chunk 0x%llx-0x%llx\n",
+ (unsigned long long)cur_start,
+ (unsigned long long)cur_start + cur_size);
ret = gen_pool_add_virt(sram->pool,
(unsigned long)virt_base + cur_start,
res->start + cur_start, cur_size, -1);
@@ -193,7 +196,8 @@ static int sram_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, sram);
- dev_dbg(&pdev->dev, "SRAM pool: %ld KiB @ 0x%p\n", size / 1024, virt_base);
+ dev_dbg(&pdev->dev, "SRAM pool: %zx KiB @ 0x%p\n",
+ size / SZ_1K, virt_base);
return 0;
--
1.7.10.4
--
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