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authorKyungmin Park <kyungmin.park@samsung.com>2010-04-28 11:46:46 -0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-05-13 20:49:48 -0400
commit4a8ce0b030716b95004a4ace969953bc3ad7d2fe (patch)
treef14bd6118d84a81a71daf17b0c08e9112dec2e17 /drivers
parent6a88c47bd528cb0f82692986a3ca57b3695d9c60 (diff)
mtd: onenand: allocate verify buffer in the core
This patch extends OneNAND core code with support for OneNAND verify write check. This is done by allocating the buffer for verify read directly from the core code. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/onenand/onenand_base.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 1b26f50e159..045811f2149 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -3932,6 +3932,13 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
3932 __func__); 3932 __func__);
3933 return -ENOMEM; 3933 return -ENOMEM;
3934 } 3934 }
3935#ifdef CONFIG_MTD_ONENAND_VERIFY_WRITE
3936 this->verify_buf = kzalloc(mtd->writesize, GFP_KERNEL);
3937 if (!this->verify_buf) {
3938 kfree(this->page_buf);
3939 return -ENOMEM;
3940 }
3941#endif
3935 this->options |= ONENAND_PAGEBUF_ALLOC; 3942 this->options |= ONENAND_PAGEBUF_ALLOC;
3936 } 3943 }
3937 if (!this->oob_buf) { 3944 if (!this->oob_buf) {
@@ -4059,8 +4066,12 @@ void onenand_release(struct mtd_info *mtd)
4059 kfree(this->bbm); 4066 kfree(this->bbm);
4060 } 4067 }
4061 /* Buffers allocated by onenand_scan */ 4068 /* Buffers allocated by onenand_scan */
4062 if (this->options & ONENAND_PAGEBUF_ALLOC) 4069 if (this->options & ONENAND_PAGEBUF_ALLOC) {
4063 kfree(this->page_buf); 4070 kfree(this->page_buf);
4071#ifdef CONFIG_MTD_ONENAND_VERIFY_WRITE
4072 kfree(this->verify_buf);
4073#endif
4074 }
4064 if (this->options & ONENAND_OOBBUF_ALLOC) 4075 if (this->options & ONENAND_OOBBUF_ALLOC)
4065 kfree(this->oob_buf); 4076 kfree(this->oob_buf);
4066 kfree(mtd->eraseregions); 4077 kfree(mtd->eraseregions);