On 03/28/2014 07:34 AM, Dan Carpenter wrote:
> These patches are fine and they were applied already.
>
> On Wed, Mar 12, 2014 at 12:50:55PM -0400, Mark Hounschell wrote:
>> @@ -4368,15 +4364,16 @@ static void dgap_do_bios_load(struct board_t *brd, uchar __user *ubios, int len)
>> /*
>> * Checks to see if the BIOS completed running on the card.
>> */
>> -static void dgap_do_wait_for_bios(struct board_t *brd)
>> +static int dgap_do_wait_for_bios(struct board_t *brd)
>
> I wish this funciton returned negative error codes on error. It is
> poorly named for a boolean function.
>
>> {
>> uchar *addr;
>> u16 word;
>> u16 err1;
>> u16 err2;
>> + int ret = 0;
>
> The ret variable is not needed. Replace it with zero literal for better
> readability.
>
>> @@ -4455,15 +4452,16 @@ static void dgap_do_fep_load(struct board_t *brd, uchar *ufep, int len)
>> /*
>> * Waits for the FEP to report thats its ready for us to use.
>> */
>> -static void dgap_do_wait_for_fep(struct board_t *brd)
>> +static int dgap_do_wait_for_fep(struct board_t *brd)
>
> Same as dgap_do_wait_for_bios().
>
Yes, they were not originally boolean functions. Would names like
dgap_test_bios and dgap_test_fep be better names? And returns of
-EIO if they fail and 0 if good?
Sample patch:
diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index 4bbedae..d0e486b 100644
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -194,8 +194,8 @@ static int dgap_finalize_board_init(struct board_t *brd);
static void dgap_get_vpd(struct board_t *brd);
static void dgap_do_reset_board(struct board_t *brd);
-static int dgap_do_wait_for_bios(struct board_t *brd);
-static int dgap_do_wait_for_fep(struct board_t *brd);
+static int dgap_test_bios(struct board_t *brd);
+static int dgap_test_fep(struct board_t *brd);
static int dgap_tty_register_ports(struct board_t *brd);
static int dgap_firmware_load(struct pci_dev *pdev, int card_type);
@@ -890,8 +890,9 @@ static int dgap_firmware_load(struct pci_dev *pdev, int card_type)
release_firmware(fw);
/* Wait for BIOS to test board... */
- if (!dgap_do_wait_for_bios(brd))
- return -ENXIO;
+ ret = dgap_test_bios(brd)
+ if (ret)
+ return ret;
}
if (fw_info[card_type].fep_name) {
@@ -906,8 +907,9 @@ static int dgap_firmware_load(struct pci_dev *pdev, int card_type)
release_firmware(fw);
/* Wait for FEP to load on board... */
- if (!dgap_do_wait_for_fep(brd))
- return -ENXIO;
+ ret = dgap_test_fep(brd)
+ if (ret)
+ return ret;
}
#ifdef DIGI_CONCENTRATORS_SUPPORTED
@@ -4332,13 +4334,12 @@ static void dgap_do_bios_load(struct board_t *brd, const uchar *ubios, int len)
/*
* Checks to see if the BIOS completed running on the card.
*/
-static int dgap_do_wait_for_bios(struct board_t *brd)
+static int dgap_test_bios(struct board_t *brd)
{
uchar *addr;
u16 word;
u16 err1;
u16 err2;
- int ret = 0;
if (!brd || (brd->magic != DGAP_BOARD_MAGIC) || !brd->re_map_membase)
return ret;
@@ -4355,7 +4356,7 @@ static int dgap_do_wait_for_bios(struct board_t *brd)
while (brd->wait_for_bios < 1000) {
/* Check to see if BIOS thinks board is good. (GD). */
if (word == *(u16 *) "GD")
- return 1;
+ return 0;
msleep_interruptible(10);
brd->wait_for_bios++;
word = readw(addr + POSTAREA);
@@ -4369,7 +4370,7 @@ static int dgap_do_wait_for_bios(struct board_t *brd)
brd->state = BOARD_FAILED;
brd->dpastatus = BD_NOBIOS;
- return ret;
+ return -EIO;
}
/*
@@ -4420,13 +4421,12 @@ static void dgap_do_fep_load(struct board_t *brd, const uchar *ufep, int len)
/*
* Waits for the FEP to report thats its ready for us to use.
*/
-static int dgap_do_wait_for_fep(struct board_t *brd)
+static int dgap_test_fep(struct board_t *brd)
{
uchar *addr;
u16 word;
u16 err1;
u16 err2;
- int ret = 0;
if (!brd || (brd->magic != DGAP_BOARD_MAGIC) || !brd->re_map_membase)
return ret;
@@ -4449,7 +4449,7 @@ static int dgap_do_wait_for_fep(struct board_t *brd)
if (word == *(u16 *) "5A")
brd->bd_flags |= BD_FEP5PLUS;
- return 1;
+ return 0;
}
msleep_interruptible(10);
brd->wait_for_fep++;
@@ -4464,7 +4464,7 @@ static int dgap_do_wait_for_fep(struct board_t *brd)
brd->state = BOARD_FAILED;
brd->dpastatus = BD_NOFEP;
- return ret;
+ return -EIO;
}
/*
Thanks
Mark
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