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staging: sm750fb: fix a type issue in sm750_set_chip_type() 

"revId" needs to be unsigned because we use it to test:

	if (revId == SM750LE_REVISION_ID) {

and SM750LE_REVISION_ID is ((unsigned char )0xfe).

Fixes: 81dee67e21 ("staging: sm750fb: add sm750 to staging")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2016-11-26 13:20:58 +03:00 committed by Greg Kroah-Hartman
parent 4e0447cdaf
commit d28fb1ffba
2 changed files with 2 additions and 2 deletions
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2
drivers/staging/sm750fb/ddk750_chip.c
View File

@ -14,7 +14,7 @@ logical_chip_type_t sm750_get_chip_type(void)
return chip;
}
void sm750_set_chip_type(unsigned short devId, char revId)
void sm750_set_chip_type(unsigned short devId, u8 revId)
{
if (devId == 0x718)
chip = SM718;

2
drivers/staging/sm750fb/ddk750_chip.h
View File

@ -87,7 +87,7 @@ struct initchip_param {
};
logical_chip_type_t sm750_get_chip_type(void);
void sm750_set_chip_type(unsigned short devId, char revId);
void sm750_set_chip_type(unsigned short devId, u8 revId);
unsigned int sm750_calc_pll_value(unsigned int request, struct pll_value *pll);
unsigned int sm750_format_pll_reg(struct pll_value *pPLL);
unsigned int ddk750_get_vm_size(void);