diff options
Diffstat (limited to 'drivers/net/wireless/prism54/isl_38xx.c')
| -rw-r--r-- | drivers/net/wireless/prism54/isl_38xx.c | 37 |
1 files changed, 15 insertions, 22 deletions
diff --git a/drivers/net/wireless/prism54/isl_38xx.c b/drivers/net/wireless/prism54/isl_38xx.c index adc7499136d..333c1a2f882 100644 --- a/drivers/net/wireless/prism54/isl_38xx.c +++ b/drivers/net/wireless/prism54/isl_38xx.c @@ -1,5 +1,4 @@ /* - * * Copyright (C) 2002 Intersil Americas Inc. * Copyright (C) 2003-2004 Luis R. Rodriguez <mcgrof@ruslug.rutgers.edu>_ * @@ -13,12 +12,10 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * along with this program; if not, see <http://www.gnu.org/licenses/>. * */ -#include <linux/version.h> #include <linux/module.h> #include <linux/types.h> #include <linux/delay.h> @@ -39,7 +36,7 @@ * isl38xx_disable_interrupts - disable all interrupts * @device: pci memory base address * - * Instructs the device to disable all interrupt reporting by asserting + * Instructs the device to disable all interrupt reporting by asserting * the IRQ line. New events may still show up in the interrupt identification * register located at offset %ISL38XX_INT_IDENT_REG. */ @@ -112,9 +109,10 @@ isl38xx_handle_wakeup(isl38xx_control_block *control_block, void isl38xx_trigger_device(int asleep, void __iomem *device_base) { - u32 reg, counter = 0; + u32 reg; #if VERBOSE > SHOW_ERROR_MESSAGES + u32 counter = 0; struct timeval current_time; DEBUG(SHOW_FUNCTION_CALLS, "isl38xx trigger device\n"); #endif @@ -131,7 +129,6 @@ isl38xx_trigger_device(int asleep, void __iomem *device_base) current_time.tv_sec, (long)current_time.tv_usec, readl(device_base + ISL38XX_CTRL_STAT_REG)); #endif - udelay(ISL38XX_WRITEIO_DELAY); reg = readl(device_base + ISL38XX_INT_IDENT_REG); if (reg == 0xabadface) { @@ -145,7 +142,9 @@ isl38xx_trigger_device(int asleep, void __iomem *device_base) while (reg = readl(device_base + ISL38XX_CTRL_STAT_REG), (reg & ISL38XX_CTRL_STAT_SLEEPMODE) == 0) { udelay(ISL38XX_WRITEIO_DELAY); +#if VERBOSE > SHOW_ERROR_MESSAGES counter++; +#endif } #if VERBOSE > SHOW_ERROR_MESSAGES @@ -153,10 +152,6 @@ isl38xx_trigger_device(int asleep, void __iomem *device_base) "%08li.%08li Device register read %08x\n", current_time.tv_sec, (long)current_time.tv_usec, readl(device_base + ISL38XX_CTRL_STAT_REG)); -#endif - udelay(ISL38XX_WRITEIO_DELAY); - -#if VERBOSE > SHOW_ERROR_MESSAGES do_gettimeofday(¤t_time); DEBUG(SHOW_TRACING, "%08li.%08li Device asleep counter %i\n", @@ -167,13 +162,12 @@ isl38xx_trigger_device(int asleep, void __iomem *device_base) /* assert the Wakeup interrupt in the Device Interrupt Register */ isl38xx_w32_flush(device_base, ISL38XX_DEV_INT_WAKEUP, ISL38XX_DEV_INT_REG); + +#if VERBOSE > SHOW_ERROR_MESSAGES udelay(ISL38XX_WRITEIO_DELAY); /* perform another read on the Device Status Register */ reg = readl(device_base + ISL38XX_CTRL_STAT_REG); - udelay(ISL38XX_WRITEIO_DELAY); - -#if VERBOSE > SHOW_ERROR_MESSAGES do_gettimeofday(¤t_time); DEBUG(SHOW_TRACING, "%08li.%08li Device register read %08x\n", current_time.tv_sec, (long)current_time.tv_usec, reg); @@ -187,7 +181,6 @@ isl38xx_trigger_device(int asleep, void __iomem *device_base) isl38xx_w32_flush(device_base, ISL38XX_DEV_INT_UPDATE, ISL38XX_DEV_INT_REG); - udelay(ISL38XX_WRITEIO_DELAY); } } @@ -209,17 +202,19 @@ isl38xx_interface_reset(void __iomem *device_base, dma_addr_t host_address) /* enable the interrupt for detecting initialization */ /* Note: Do not enable other interrupts here. We want the - * device to have come up first 100% before allowing any other + * device to have come up first 100% before allowing any other * interrupts. */ isl38xx_w32_flush(device_base, ISL38XX_INT_IDENT_INIT, ISL38XX_INT_EN_REG); udelay(ISL38XX_WRITEIO_DELAY); /* allow complete full reset */ } void -isl38xx_enable_common_interrupts(void __iomem *device_base) { +isl38xx_enable_common_interrupts(void __iomem *device_base) +{ u32 reg; - reg = ( ISL38XX_INT_IDENT_UPDATE | - ISL38XX_INT_IDENT_SLEEP | ISL38XX_INT_IDENT_WAKEUP); + + reg = ISL38XX_INT_IDENT_UPDATE | ISL38XX_INT_IDENT_SLEEP | + ISL38XX_INT_IDENT_WAKEUP; isl38xx_w32_flush(device_base, reg, ISL38XX_INT_EN_REG); udelay(ISL38XX_WRITEIO_DELAY); } @@ -239,23 +234,21 @@ isl38xx_in_queue(isl38xx_control_block *cb, int queue) /* send queues */ case ISL38XX_CB_TX_MGMTQ: BUG_ON(delta > ISL38XX_CB_MGMT_QSIZE); + case ISL38XX_CB_TX_DATA_LQ: case ISL38XX_CB_TX_DATA_HQ: BUG_ON(delta > ISL38XX_CB_TX_QSIZE); return delta; - break; /* receive queues */ case ISL38XX_CB_RX_MGMTQ: BUG_ON(delta > ISL38XX_CB_MGMT_QSIZE); return ISL38XX_CB_MGMT_QSIZE - delta; - break; case ISL38XX_CB_RX_DATA_LQ: case ISL38XX_CB_RX_DATA_HQ: BUG_ON(delta > ISL38XX_CB_RX_QSIZE); return ISL38XX_CB_RX_QSIZE - delta; - break; } BUG(); return 0; |