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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-03-27 11:32:29 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-03-27 11:32:29 -0300 |
commit | 50953e0640b3473dcb409d5d0d938c2742c93b0d (patch) | |
tree | 3b0dc374e61564fbbd8adff92c8fae16fdeb423a /drivers/staging/nvec/nvec.c | |
parent | f92c97c8bd77992ff8bd6ef29a23dc82dca799cb (diff) | |
parent | 626cf236608505d376e4799adb4f7eb00a8594af (diff) | |
download | op-kernel-dev-50953e0640b3473dcb409d5d0d938c2742c93b0d.zip op-kernel-dev-50953e0640b3473dcb409d5d0d938c2742c93b0d.tar.gz |
Merge branch 'poll' into staging/for_v3.4
* poll: (5970 commits)
poll: add poll_requested_events() and poll_does_not_wait() functions
crc32: select an algorithm via Kconfig
crc32: add self-test code for crc32c
crypto: crc32c should use library implementation
crc32: bolt on crc32c
crc32: add note about this patchset to crc32.c
crc32: optimize loop counter for x86
crc32: add slice-by-8 algorithm to existing code
crc32: make CRC_*_BITS definition correspond to actual bit counts
crc32: fix mixing of endian-specific types
crc32: miscellaneous cleanups
crc32: simplify unit test code
crc32: move long comment about crc32 fundamentals to Documentation/
crc32: remove two instances of trailing whitespaces
checkpatch: check for quoted strings broken across lines
checkpatch: whitespace - add/remove blank lines
checkpatch: warn on use of yield()
checkpatch: add --strict tests for braces, comments and casts
checkpatch: add [] to type extensions
checkpatch: high precedence operators do not require additional parentheses in #defines
...
Diffstat (limited to 'drivers/staging/nvec/nvec.c')
-rw-r--r-- | drivers/staging/nvec/nvec.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c index fafdfa2..3c60088 100644 --- a/drivers/staging/nvec/nvec.c +++ b/drivers/staging/nvec/nvec.c @@ -49,7 +49,7 @@ #define I2C_CNFG_DEBOUNCE_CNT_SHIFT 12 #define I2C_SL_CNFG 0x20 -#define I2C_SL_NEWL (1<<2) +#define I2C_SL_NEWSL (1<<2) #define I2C_SL_NACK (1<<1) #define I2C_SL_RESP (1<<0) #define I2C_SL_IRQ (1<<3) @@ -687,7 +687,7 @@ static void tegra_init_i2c_slave(struct nvec_chip *nvec) clk_set_rate(nvec->i2c_clk, 8 * 80000); - writel(I2C_SL_NEWL, nvec->base + I2C_SL_CNFG); + writel(I2C_SL_NEWSL, nvec->base + I2C_SL_CNFG); writel(0x1E, nvec->base + I2C_SL_DELAY_COUNT); writel(nvec->i2c_addr>>1, nvec->base + I2C_SL_ADDR1); @@ -701,7 +701,7 @@ static void tegra_init_i2c_slave(struct nvec_chip *nvec) static void nvec_disable_i2c_slave(struct nvec_chip *nvec) { disable_irq(nvec->irq); - writel(I2C_SL_NEWL | I2C_SL_NACK, nvec->base + I2C_SL_CNFG); + writel(I2C_SL_NEWSL | I2C_SL_NACK, nvec->base + I2C_SL_CNFG); clk_disable(nvec->i2c_clk); } @@ -784,11 +784,6 @@ static int __devinit tegra_nvec_probe(struct platform_device *pdev) nvec->i2c_clk = i2c_clk; nvec->rx = &nvec->msg_pool[0]; - /* Set the gpio to low when we've got something to say */ - err = gpio_request(nvec->gpio, "nvec gpio"); - if (err < 0) - dev_err(nvec->dev, "couldn't request gpio\n"); - ATOMIC_INIT_NOTIFIER_HEAD(&nvec->notifier_list); init_completion(&nvec->sync_write); @@ -802,6 +797,12 @@ static int __devinit tegra_nvec_probe(struct platform_device *pdev) INIT_WORK(&nvec->tx_work, nvec_request_master); nvec->wq = alloc_workqueue("nvec", WQ_NON_REENTRANT, 2); + err = gpio_request_one(nvec->gpio, GPIOF_OUT_INIT_HIGH, "nvec gpio"); + if (err < 0) { + dev_err(nvec->dev, "couldn't request gpio\n"); + goto failed; + } + err = request_irq(nvec->irq, nvec_interrupt, 0, "nvec", nvec); if (err) { dev_err(nvec->dev, "couldn't request irq\n"); @@ -813,8 +814,6 @@ static int __devinit tegra_nvec_probe(struct platform_device *pdev) clk_enable(i2c_clk); - gpio_direction_output(nvec->gpio, 1); - gpio_set_value(nvec->gpio, 1); /* enable event reporting */ nvec_write_async(nvec, EC_ENABLE_EVENT_REPORTING, |