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Groups > linux.kernel > #1365077
| From | "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 21/31] mtd: use parity16 in ssfdc.c |
| Date | 2016-03-27 09:30 +0200 |
| Message-ID | <rhdj4-4RD-3@gated-at.bofh.it> (permalink) |
| References | <rg3ON-4FE-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
---
drivers/mtd/ssfdc.c | 20 ++------------------
1 file changed, 2 insertions(+), 18 deletions(-)
diff --git a/drivers/mtd/ssfdc.c b/drivers/mtd/ssfdc.c
index daf82ba..b4d9144 100644
--- a/drivers/mtd/ssfdc.c
+++ b/drivers/mtd/ssfdc.c
@@ -182,24 +182,10 @@ static int read_raw_oob(struct mtd_info *mtd, loff_t offs, uint8_t *buf)
return 0;
}
-/* Parity calculator on a word of n bit size */
-static int get_parity(int number, int size)
-{
- int k;
- int parity;
-
- parity = 1;
- for (k = 0; k < size; k++) {
- parity += (number >> k);
- parity &= 1;
- }
- return parity;
-}
-
/* Read and validate the logical block address field stored in the OOB */
static int get_logical_address(uint8_t *oob_buf)
{
- int block_address, parity;
+ int block_address;
int offset[2] = {6, 11}; /* offset of the 2 address fields within OOB */
int j;
int ok = 0;
@@ -215,11 +201,9 @@ static int get_logical_address(uint8_t *oob_buf)
/* Check for the signature bits in the address field (MSBits) */
if ((block_address & ~0x7FF) == 0x1000) {
- parity = block_address & 0x01;
block_address &= 0x7FF;
- block_address >>= 1;
- if (get_parity(block_address, 10) != parity) {
+ if (!parity16(block_address)) {
pr_debug("SSFDC_RO: logical address field%d"
"parity error(0x%04X)\n", j+1,
block_address);
--
2.5.5
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[PATCH 01/31] bitops: add parity functions Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com> - 2016-03-24 04:10 +0100
Re: [PATCH 01/31] bitops: add parity functions Denys Vlasenko <dvlasenk@redhat.com> - 2016-03-24 09:40 +0100
Re: [PATCH 01/31] bitops: add parity functions Andrew Morton <akpm@linux-foundation.org> - 2016-03-24 23:30 +0100
Re: [PATCH 01/31] bitops: add parity functions Martin Kepplinger <martink@posteo.de> - 2016-03-26 23:10 +0100
Re: [PATCH 01/31] bitops: add parity functions "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 10:00 +0200
Re: [PATCH 01/31] bitops: add parity functions "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 05:40 +0200
Re: [PATCH 01/31] bitops: add parity functions Sam Ravnborg <sam@ravnborg.org> - 2016-03-27 14:50 +0200
Re: [PATCH 01/31] bitops: add parity functions "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 15:40 +0200
Re: [PATCH 01/31] bitops: add parity functions Sam Ravnborg <sam@ravnborg.org> - 2016-03-27 20:00 +0200
Re: [PATCH 01/31] bitops: add parity functions Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com> - 2016-03-28 04:50 +0200
Re: [PATCH 01/31] bitops: add parity functions Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com> - 2016-03-28 04:20 +0200
Re: [PATCH 01/31] bitops: add parity functions Sam Ravnborg <sam@ravnborg.org> - 2016-03-28 09:00 +0200
Re: [PATCH 01/31] bitops: add parity functions Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com> - 2016-03-29 04:30 +0200
Re: [PATCH 01/31] bitops: add parity functions Joe Perches <joe@perches.com> - 2016-03-29 05:00 +0200
[PATCH 02/31] Include generic parity.h in some architectures' bitops.h "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 06:10 +0200
[PATCH 03/31] Add alpha-specific parity functions "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 07:50 +0200
Re: [PATCH 03/31] Add alpha-specific parity functions Richard Henderson <rth@twiddle.net> - 2016-03-28 20:40 +0200
[PATCH 04/31] Add avr32-specific parity functions "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 07:50 +0200
Re: [PATCH 04/31] Add avr32-specific parity functions Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> - 2016-03-28 22:10 +0200
[PATCH 05/31] Add blackfin-specific parity functions "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 08:00 +0200
[PATCH 07/31] Add mips-specific parity functions "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 08:10 +0200
Re: [PATCH 07/31] Add mips-specific parity functions David Daney <ddaney.cavm@gmail.com> - 2016-03-28 19:30 +0200
Re: [PATCH 07/31] Add mips-specific parity functions Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com> - 2016-03-29 04:20 +0200
[PATCH 06/31] Add ia64-specific parity functions "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 08:10 +0200
[PATCH 08/31] Add tile-specific parity functions "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 08:20 +0200
[PATCH 09/31] Add powerpc-specific parity functions "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 08:40 +0200
[PATCH 11/31] Add x86-specific parity functions "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 08:50 +0200
Re: [PATCH 11/31] Add x86-specific parity functions One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> - 2016-03-29 14:20 +0200
[PATCH 10/31] Add sparc-specific parity functions "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 08:50 +0200
Re: [PATCH 10/31] Add sparc-specific parity functions David Miller <davem@davemloft.net> - 2016-03-28 04:50 +0200
Re: [PATCH 10/31] Add sparc-specific parity functions Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com> - 2016-03-28 07:50 +0200
Re: [PATCH 10/31] Add sparc-specific parity functions David Miller <davem@davemloft.net> - 2016-03-28 17:30 +0200
Re: [PATCH 10/31] Add sparc-specific parity functions Sam Ravnborg <sam@ravnborg.org> - 2016-03-28 17:40 +0200
Re: [PATCH 10/31] Add sparc-specific parity functions David Miller <davem@davemloft.net> - 2016-03-28 17:50 +0200
[PATCH 12/31] sunrpc: auth_gss: use parity8 "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:00 +0200
[PATCH 13/31] mips: use parity functions in cerr-sb1.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:00 +0200
[PATCH 15/31] media: use parity8 in vivid-vbi-gen.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:10 +0200
[PATCH 14/31] lib: bch: use parity32 "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:10 +0200
[PATCH 17/31] input: joystick: use parity32 in grip_mp.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:20 +0200
[PATCH 18/31] input: joystick: use parity64 in sidewinder.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:20 +0200
[PATCH 16/31] media: saa7115: use parity functions "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:20 +0200
[PATCH 19/31] input: serio: use parity16 in ams_delta_serio.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:20 +0200
[PATCH 22/31] mtd: use parity functions in inftlcore.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:30 +0200
[PATCH 21/31] mtd: use parity16 in ssfdc.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:30 +0200
Re: [PATCH 21/31] mtd: use parity16 in ssfdc.c Brian Norris <computersforpeace@gmail.com> - 2016-04-02 01:50 +0200
[PATCH 20/31] scsi: use parity32 in isci/phy.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:30 +0200
[PATCH 26/31] input: serio: use parity8 in pcips2.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:40 +0200
[PATCH 25/31] ethernet: use parity8 in sun/niu.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:40 +0200
Re: [PATCH 25/31] ethernet: use parity8 in sun/niu.c Michal Nazarewicz <mina86@mina86.com> - 2016-03-28 16:40 +0200
[PATCH 24/31] mtd: use parity16 in sm_ftl.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:40 +0200
[PATCH 23/31] crypto: qat: use parity functions in qat_hal.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:40 +0200
[PATCH 28/31] iio: gyro: use parity32 in adxrs450.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:50 +0200
Re: [PATCH 28/31] iio: gyro: use parity32 in adxrs450.c Jonathan Cameron <jic23@kernel.org> - 2016-03-28 10:40 +0200
Re: [PATCH 28/31] iio: gyro: use parity32 in adxrs450.c Lars-Peter Clausen <lars@metafoo.de> - 2016-03-28 11:30 +0200
[PATCH 29/31] serial: use parity32 in max3100.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:50 +0200
[PATCH 30/31] input: mouse: use parity8 in elantech "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:50 +0200
[PATCH 27/31] input: serio: use parity8 in sa1111ps2.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 09:50 +0200
[PATCH 31/31] ethernet: broadcom: use parity8 in tg3.c "zhaoxiu.zeng" <zhaoxiu.zeng@gmail.com> - 2016-03-27 10:00 +0200
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