diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2010-05-10 11:59:37 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-05-10 14:20:42 +0200 |
| commit | dbb6be6d5e974c42bbecd183effaa0df69e1dd8b (patch) | |
| tree | 5735cb47e70853d057a9881dd0ce44b83e88fa63 /drivers/firewire/ohci.c | |
| parent | 6a867a395558a7f882d041783e4cdea6744ca2bf (diff) | |
| parent | b57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff) | |
Merge branch 'linus' into timers/core
Reason: Further posix_cpu_timer patches depend on mainline changes
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/firewire/ohci.c')
| -rw-r--r-- | drivers/firewire/ohci.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 75dc6988cffd..94b16e0340ae 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -24,7 +24,6 @@ #include <linux/dma-mapping.h> #include <linux/firewire.h> #include <linux/firewire-constants.h> -#include <linux/gfp.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/io.h> @@ -35,6 +34,7 @@ #include <linux/moduleparam.h> #include <linux/pci.h> #include <linux/pci_ids.h> +#include <linux/slab.h> #include <linux/spinlock.h> #include <linux/string.h> @@ -231,6 +231,8 @@ static inline struct fw_ohci *fw_ohci(struct fw_card *card) static char ohci_driver_name[] = KBUILD_MODNAME; +#define PCI_DEVICE_ID_TI_TSB12LV22 0x8009 + #define QUIRK_CYCLE_TIMER 1 #define QUIRK_RESET_PACKET 2 #define QUIRK_BE_HEADERS 4 @@ -239,6 +241,8 @@ static char ohci_driver_name[] = KBUILD_MODNAME; static const struct { unsigned short vendor, device, flags; } ohci_quirks[] = { + {PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_TSB12LV22, QUIRK_CYCLE_TIMER | + QUIRK_RESET_PACKET}, {PCI_VENDOR_ID_TI, PCI_ANY_ID, QUIRK_RESET_PACKET}, {PCI_VENDOR_ID_AL, PCI_ANY_ID, QUIRK_CYCLE_TIMER}, {PCI_VENDOR_ID_NEC, PCI_ANY_ID, QUIRK_CYCLE_TIMER}, @@ -1154,7 +1158,7 @@ static void handle_local_lock(struct fw_ohci *ohci, struct fw_packet *packet, u32 csr) { struct fw_packet response; - int tcode, length, ext_tcode, sel; + int tcode, length, ext_tcode, sel, try; __be32 *payload, lock_old; u32 lock_arg, lock_data; @@ -1181,21 +1185,26 @@ static void handle_local_lock(struct fw_ohci *ohci, reg_write(ohci, OHCI1394_CSRCompareData, lock_arg); reg_write(ohci, OHCI1394_CSRControl, sel); - if (reg_read(ohci, OHCI1394_CSRControl) & 0x80000000) - lock_old = cpu_to_be32(reg_read(ohci, OHCI1394_CSRData)); - else - fw_notify("swap not done yet\n"); + for (try = 0; try < 20; try++) + if (reg_read(ohci, OHCI1394_CSRControl) & 0x80000000) { + lock_old = cpu_to_be32(reg_read(ohci, + OHCI1394_CSRData)); + fw_fill_response(&response, packet->header, + RCODE_COMPLETE, + &lock_old, sizeof(lock_old)); + goto out; + } + + fw_error("swap not done (CSR lock timeout)\n"); + fw_fill_response(&response, packet->header, RCODE_BUSY, NULL, 0); - fw_fill_response(&response, packet->header, - RCODE_COMPLETE, &lock_old, sizeof(lock_old)); out: fw_core_handle_response(&ohci->card, &response); } static void handle_local_request(struct context *ctx, struct fw_packet *packet) { - u64 offset; - u32 csr; + u64 offset, csr; if (ctx == &ctx->ohci->at_request_ctx) { packet->ack = ACK_PENDING; |