On 05/03/2012 10:14 PM, Peter Huewe wrote:
> SiS_DRAMType is const and only used by sisfb_post_300_rwtest which is
> marked __devinit we can annotate SiS_DRAMType with __devinitconst and
> move it into the file scope in order to not have it created on the
> stack.
> This patch decreases the compiled module size by about 100bytes.
>
> And since hardcoded values are bad we use ARRAY_SIZE for determining
> the size of SiS_DRAMType ;)
>
> Signed-off-by: Peter Huewe <peterhuewe@xxxxxx>
Good that you did this one, it was more to be done than I expected. I
ignored the checkpatch errors as you didn't introduce them but maybe it
wouldn't be a bad idea to fix things up if you touch them. Applied.
Thanks,
Florian Tobias Schandinat
> ---
> drivers/video/sis/sis_main.c | 41 +++++++++++++++++++++--------------------
> 1 files changed, 21 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c
> index 078ca21..a7a48db 100644
> --- a/drivers/video/sis/sis_main.c
> +++ b/drivers/video/sis/sis_main.c
> @@ -4222,6 +4222,26 @@ sisfb_post_300_buswidth(struct sis_video_info *ivideo)
> return 1; /* 32bit */
> }
>
> +static const unsigned short __devinitconst SiS_DRAMType[17][5] = {
> + {0x0C,0x0A,0x02,0x40,0x39},
> + {0x0D,0x0A,0x01,0x40,0x48},
> + {0x0C,0x09,0x02,0x20,0x35},
> + {0x0D,0x09,0x01,0x20,0x44},
> + {0x0C,0x08,0x02,0x10,0x31},
> + {0x0D,0x08,0x01,0x10,0x40},
> + {0x0C,0x0A,0x01,0x20,0x34},
> + {0x0C,0x09,0x01,0x08,0x32},
> + {0x0B,0x08,0x02,0x08,0x21},
> + {0x0C,0x08,0x01,0x08,0x30},
> + {0x0A,0x08,0x02,0x04,0x11},
> + {0x0B,0x0A,0x01,0x10,0x28},
> + {0x09,0x08,0x02,0x02,0x01},
> + {0x0B,0x09,0x01,0x08,0x24},
> + {0x0B,0x08,0x01,0x04,0x20},
> + {0x0A,0x08,0x01,0x02,0x10},
> + {0x09,0x08,0x01,0x01,0x00}
> +};
> +
> static int __devinit
> sisfb_post_300_rwtest(struct sis_video_info *ivideo, int iteration, int buswidth,
> int PseudoRankCapacity, int PseudoAdrPinCount,
> @@ -4231,27 +4251,8 @@ sisfb_post_300_rwtest(struct sis_video_info *ivideo, int iteration, int buswidth
> unsigned short sr14;
> unsigned int k, RankCapacity, PageCapacity, BankNumHigh, BankNumMid;
> unsigned int PhysicalAdrOtherPage, PhysicalAdrHigh, PhysicalAdrHalfPage;
> - static const unsigned short SiS_DRAMType[17][5] = {
> - {0x0C,0x0A,0x02,0x40,0x39},
> - {0x0D,0x0A,0x01,0x40,0x48},
> - {0x0C,0x09,0x02,0x20,0x35},
> - {0x0D,0x09,0x01,0x20,0x44},
> - {0x0C,0x08,0x02,0x10,0x31},
> - {0x0D,0x08,0x01,0x10,0x40},
> - {0x0C,0x0A,0x01,0x20,0x34},
> - {0x0C,0x09,0x01,0x08,0x32},
> - {0x0B,0x08,0x02,0x08,0x21},
> - {0x0C,0x08,0x01,0x08,0x30},
> - {0x0A,0x08,0x02,0x04,0x11},
> - {0x0B,0x0A,0x01,0x10,0x28},
> - {0x09,0x08,0x02,0x02,0x01},
> - {0x0B,0x09,0x01,0x08,0x24},
> - {0x0B,0x08,0x01,0x04,0x20},
> - {0x0A,0x08,0x01,0x02,0x10},
> - {0x09,0x08,0x01,0x01,0x00}
> - };
>
> - for(k = 0; k <= 16; k++) {
> + for(k = 0; k < ARRAY_SIZE(SiS_DRAMType); k++) {
>
> RankCapacity = buswidth * SiS_DRAMType[k][3];
>
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