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Squash another bunch of iPod Nano 2G NAND bugs by moving the idle powerdown code down into the lowlevel driver. Move even more things from the FTL to the bss instead of the stack to prevent USB stkovs. Also fix some evil whitespace.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23570 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sparmann 2009-11-08 14:55:30 +00:00
parent 40638bf2c7
commit 64ac121e2c
4 changed files with 129 additions and 112 deletions
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36
firmware/target/arm/s5l8700/ata-nand-s5l8700.c
View file

@ -30,30 +30,20 @@
#include "ftl-target.h"
#include "nand-target.h"
/* for compatibility */
long last_disk_activity = -1;
/** static, private data **/
static bool initialized = false;
static long nand_stack[20];
/* API Functions */
int nand_read_sectors(IF_MD2(int drive,) unsigned long start, int incount,
void* inbuf)
{
int rc = ftl_read(start, incount, inbuf);
last_disk_activity = current_tick;
return rc;
return ftl_read(start, incount, inbuf);
}
int nand_write_sectors(IF_MD2(int drive,) unsigned long start, int count,
const void* outbuf)
{
int rc = ftl_write(start, count, outbuf);
last_disk_activity = current_tick;
return rc;
return ftl_write(start, count, outbuf);
}
void nand_spindown(int seconds)
@ -73,7 +63,7 @@ void nand_sleepnow(void)
void nand_spin(void)
{
last_disk_activity = current_tick;
nand_set_active();
}
void nand_enable(bool on)
@ -93,40 +83,22 @@ void nand_get_info(IF_MD2(int drive,) struct storage_info *info)
long nand_last_disk_activity(void)
{
return last_disk_activity;
return nand_last_activity();
}
#ifdef HAVE_STORAGE_FLUSH
int nand_flush(void)
{
last_disk_activity = current_tick;
int rc = ftl_sync();
if (rc != 0) panicf("Failed to unmount flash: %X", rc);
return rc;
}
#endif
static void nand_thread(void)
{
while (1)
{
if (TIME_AFTER(current_tick, last_disk_activity + HZ / 5))
nand_power_down();
sleep(HZ / 10);
}
}
int nand_init(void)
{
if (ftl_init()) return 1;
last_disk_activity = current_tick;
create_thread(nand_thread, nand_stack,
sizeof(nand_stack), 0, "nand"
IF_PRIO(, PRIORITY_USER_INTERFACE)
IF_COP(, CPU));
initialized = true;
return 0;
}