Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4eaff7d63052d781732de9eff4d2287c8e00348f
Commit: 4eaff7d63052d781732de9eff4d2287c8e00348f
Parent: 25659f7183376c6b37661da6141d5eaa21479061
Author: Stefan Richter <[EMAIL PROTECTED]>
AuthorDate: Wed Jul 25 19:18:08 2007 +0200
Committer: Stefan Richter <[EMAIL PROTECTED]>
CommitDate: Thu Aug 2 20:34:17 2007 +0200
firewire: fw-ohci: dma_free_coherent needs IRQs enabled
Signed-off-by: Stefan Richter <[EMAIL PROTECTED]>
---
drivers/firewire/fw-ohci.c | 20 +++++++++++++-------
1 files changed, 13 insertions(+), 7 deletions(-)
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index db70375..7e427b4 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -907,6 +907,8 @@ static void bus_reset_tasklet(unsigned long data)
int self_id_count, i, j, reg;
int generation, new_generation;
unsigned long flags;
+ void *free_rom = NULL;
+ dma_addr_t free_rom_bus = 0;
reg = reg_read(ohci, OHCI1394_NodeID);
if (!(reg & OHCI1394_NodeID_idValid)) {
@@ -970,8 +972,8 @@ static void bus_reset_tasklet(unsigned long data)
*/
if (ohci->next_config_rom != NULL) {
- dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
- ohci->config_rom, ohci->config_rom_bus);
+ free_rom = ohci->config_rom;
+ free_rom_bus = ohci->config_rom_bus;
ohci->config_rom = ohci->next_config_rom;
ohci->config_rom_bus = ohci->next_config_rom_bus;
ohci->next_config_rom = NULL;
@@ -990,6 +992,10 @@ static void bus_reset_tasklet(unsigned long data)
spin_unlock_irqrestore(&ohci->lock, flags);
+ if (free_rom)
+ dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
+ free_rom, free_rom_bus);
+
fw_core_handle_bus_reset(&ohci->card, ohci->node_id, generation,
self_id_count, ohci->self_id_buffer);
}
@@ -1186,7 +1192,7 @@ ohci_set_config_rom(struct fw_card *card, u32
*config_rom, size_t length)
{
struct fw_ohci *ohci;
unsigned long flags;
- int retval = 0;
+ int retval = -EBUSY;
__be32 *next_config_rom;
dma_addr_t next_config_rom_bus;
@@ -1240,10 +1246,7 @@ ohci_set_config_rom(struct fw_card *card, u32
*config_rom, size_t length)
reg_write(ohci, OHCI1394_ConfigROMmap,
ohci->next_config_rom_bus);
- } else {
- dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
- next_config_rom, next_config_rom_bus);
- retval = -EBUSY;
+ retval = 0;
}
spin_unlock_irqrestore(&ohci->lock, flags);
@@ -1257,6 +1260,9 @@ ohci_set_config_rom(struct fw_card *card, u32
*config_rom, size_t length)
*/
if (retval == 0)
fw_core_initiate_bus_reset(&ohci->card, 1);
+ else
+ dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
+ next_config_rom, next_config_rom_bus);
return retval;
}
-
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