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floppy: cleanup: make fdc_configure() not rely on current_fdc anymore

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Now the fdc is passed in argument so that the function does not
use current_fdc anymore.

Link: https://lore.kernel.org/r/20200331094054.24441-18-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
This commit is contained in:
Willy Tarreau 2020-03-31 11:40:48 +02:00 committed by Denis Efremov
parent 197c7ffdb8
commit d5da6fa2b8
1 changed files with 8 additions and 9 deletions
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17
drivers/block/floppy.c
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@ -1240,16 +1240,15 @@ static void perpendicular_mode(int fdc)
static int fifo_depth = 0xa;
static int no_fifo;
static int fdc_configure(void)
static int fdc_configure(int fdc)
{
/* Turn on FIFO */
output_byte(current_fdc, FD_CONFIGURE);
if (need_more_output(current_fdc) != MORE_OUTPUT)
output_byte(fdc, FD_CONFIGURE);
if (need_more_output(fdc) != MORE_OUTPUT)
return 0;
output_byte(current_fdc, 0);
output_byte(current_fdc, 0x10 | (no_fifo & 0x20) | (fifo_depth & 0xf));
output_byte(current_fdc, 0); /* pre-compensation from track
0 upwards */
output_byte(fdc, 0);
output_byte(fdc, 0x10 | (no_fifo & 0x20) | (fifo_depth & 0xf));
output_byte(fdc, 0); /* pre-compensation from track 0 upwards */
return 1;
}
@ -1288,7 +1287,7 @@ static void fdc_specify(void)
if (fdc_state[current_fdc].need_configure &&
fdc_state[current_fdc].version >= FDC_82072A) {
fdc_configure();
fdc_configure(current_fdc);
fdc_state[current_fdc].need_configure = 0;
}
@ -4318,7 +4317,7 @@ static char __init get_fdc_version(void)
return FDC_UNKNOWN;
}
if (!fdc_configure()) {
if (!fdc_configure(current_fdc)) {
pr_info("FDC %d is an 82072\n", current_fdc);
return FDC_82072; /* 82072 doesn't know CONFIGURE */
}