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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-03-27 12:46:22 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-03-27 12:46:22 +0100
commite354c1d8033d97a97a38a1b2cffa1bc285b92ad4 (patch)
treecd520f7cd4a417c1f78d81e3a3b62936697b35f6 /drivers/ide/falconide.c
parentd15a613ba01ff2b209ecad7a38ccbb23b3b06c92 (diff)
ide: remove IDE_ARCH_LOCK (v2)
* Add ->{get,release}_lock methods to struct ide_port_info and struct ide_host. * Convert core IDE code, m68k IDE code and falconide support to use ->{get,release}_lock methods instead of ide_{get,release}_lock(). * Remove IDE_ARCH_LOCK. v2: * Build fix from Geert updating ide_{get,release}_lock() callers in falconide.c. Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Michael Schmitz <schmitz@debian.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/falconide.c')
-rw-r--r--drivers/ide/falconide.c29
1 files changed, 25 insertions, 4 deletions
diff --git a/drivers/ide/falconide.c b/drivers/ide/falconide.c
index a638e952d67..d4d7ff1a351 100644
--- a/drivers/ide/falconide.c
+++ b/drivers/ide/falconide.c
@@ -40,8 +40,27 @@
* which is shared between several drivers.
*/
-int falconide_intr_lock;
-EXPORT_SYMBOL(falconide_intr_lock);
+static int falconide_intr_lock;
+
+static void falconide_release_lock(void)
+{
+ if (falconide_intr_lock == 0) {
+ printk(KERN_ERR "%s: bug\n", __func__);
+ return;
+ }
+ falconide_intr_lock = 0;
+ stdma_release();
+}
+
+static void falconide_get_lock(irq_handler_t handler, void *data)
+{
+ if (falconide_intr_lock == 0) {
+ if (in_interrupt() > 0)
+ panic("Falcon IDE hasn't ST-DMA lock in interrupt");
+ stdma_lock(handler, data);
+ falconide_intr_lock = 1;
+ }
+}
static void falconide_input_data(ide_drive_t *drive, struct request *rq,
void *buf, unsigned int len)
@@ -81,6 +100,8 @@ static const struct ide_tp_ops falconide_tp_ops = {
};
static const struct ide_port_info falconide_port_info = {
+ .get_lock = falconide_get_lock,
+ .release_lock = falconide_release_lock,
.tp_ops = &falconide_tp_ops,
.host_flags = IDE_HFLAG_NO_DMA | IDE_HFLAG_SERIALIZE,
};
@@ -132,9 +153,9 @@ static int __init falconide_init(void)
goto err;
}
- ide_get_lock(NULL, NULL);
+ falconide_get_lock(NULL, NULL);
rc = ide_host_register(host, &falconide_port_info, hws);
- ide_release_lock();
+ falconide_release_lock();
if (rc)
goto err_free;