diff options
Diffstat (limited to 'drivers/mfd')
-rw-r--r-- | drivers/mfd/dm355evm_msp.c | 3 | ||||
-rw-r--r-- | drivers/mfd/twl4030-irq.c | 55 |
2 files changed, 25 insertions, 33 deletions
diff --git a/drivers/mfd/dm355evm_msp.c b/drivers/mfd/dm355evm_msp.c index 7ac12cb0be4a..5b6e58a3ba46 100644 --- a/drivers/mfd/dm355evm_msp.c +++ b/drivers/mfd/dm355evm_msp.c | |||
@@ -32,8 +32,7 @@ | |||
32 | * This driver was tested with firmware revision A4. | 32 | * This driver was tested with firmware revision A4. |
33 | */ | 33 | */ |
34 | 34 | ||
35 | #if defined(CONFIG_KEYBOARD_DM355EVM) \ | 35 | #if defined(CONFIG_INPUT_DM355EVM) || defined(CONFIG_INPUT_DM355EVM_MODULE) |
36 | || defined(CONFIG_KEYBOARD_DM355EVM_MODULE) | ||
37 | #define msp_has_keyboard() true | 36 | #define msp_has_keyboard() true |
38 | #else | 37 | #else |
39 | #define msp_has_keyboard() false | 38 | #define msp_has_keyboard() false |
diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c index bae61b22501c..7d430835655f 100644 --- a/drivers/mfd/twl4030-irq.c +++ b/drivers/mfd/twl4030-irq.c | |||
@@ -180,14 +180,9 @@ static struct completion irq_event; | |||
180 | static int twl4030_irq_thread(void *data) | 180 | static int twl4030_irq_thread(void *data) |
181 | { | 181 | { |
182 | long irq = (long)data; | 182 | long irq = (long)data; |
183 | struct irq_desc *desc = irq_to_desc(irq); | ||
184 | static unsigned i2c_errors; | 183 | static unsigned i2c_errors; |
185 | static const unsigned max_i2c_errors = 100; | 184 | static const unsigned max_i2c_errors = 100; |
186 | 185 | ||
187 | if (!desc) { | ||
188 | pr_err("twl4030: Invalid IRQ: %ld\n", irq); | ||
189 | return -EINVAL; | ||
190 | } | ||
191 | 186 | ||
192 | current->flags |= PF_NOFREEZE; | 187 | current->flags |= PF_NOFREEZE; |
193 | 188 | ||
@@ -240,7 +235,7 @@ static int twl4030_irq_thread(void *data) | |||
240 | } | 235 | } |
241 | local_irq_enable(); | 236 | local_irq_enable(); |
242 | 237 | ||
243 | desc->chip->unmask(irq); | 238 | enable_irq(irq); |
244 | } | 239 | } |
245 | 240 | ||
246 | return 0; | 241 | return 0; |
@@ -255,25 +250,13 @@ static int twl4030_irq_thread(void *data) | |||
255 | * thread. All we do here is acknowledge and mask the interrupt and wakeup | 250 | * thread. All we do here is acknowledge and mask the interrupt and wakeup |
256 | * the kernel thread. | 251 | * the kernel thread. |
257 | */ | 252 | */ |
258 | static void handle_twl4030_pih(unsigned int irq, struct irq_desc *desc) | 253 | static irqreturn_t handle_twl4030_pih(int irq, void *devid) |
259 | { | 254 | { |
260 | /* Acknowledge, clear *AND* mask the interrupt... */ | 255 | /* Acknowledge, clear *AND* mask the interrupt... */ |
261 | desc->chip->ack(irq); | 256 | disable_irq_nosync(irq); |
262 | complete(&irq_event); | 257 | complete(devid); |
263 | } | 258 | return IRQ_HANDLED; |
264 | |||
265 | static struct task_struct *start_twl4030_irq_thread(long irq) | ||
266 | { | ||
267 | struct task_struct *thread; | ||
268 | |||
269 | init_completion(&irq_event); | ||
270 | thread = kthread_run(twl4030_irq_thread, (void *)irq, "twl4030-irq"); | ||
271 | if (!thread) | ||
272 | pr_err("twl4030: could not create irq %ld thread!\n", irq); | ||
273 | |||
274 | return thread; | ||
275 | } | 259 | } |
276 | |||
277 | /*----------------------------------------------------------------------*/ | 260 | /*----------------------------------------------------------------------*/ |
278 | 261 | ||
279 | /* | 262 | /* |
@@ -734,18 +717,28 @@ int twl_init_irq(int irq_num, unsigned irq_base, unsigned irq_end) | |||
734 | } | 717 | } |
735 | 718 | ||
736 | /* install an irq handler to demultiplex the TWL4030 interrupt */ | 719 | /* install an irq handler to demultiplex the TWL4030 interrupt */ |
737 | task = start_twl4030_irq_thread(irq_num); | ||
738 | if (!task) { | ||
739 | pr_err("twl4030: irq thread FAIL\n"); | ||
740 | status = -ESRCH; | ||
741 | goto fail; | ||
742 | } | ||
743 | 720 | ||
744 | set_irq_data(irq_num, task); | ||
745 | set_irq_chained_handler(irq_num, handle_twl4030_pih); | ||
746 | 721 | ||
747 | return status; | 722 | init_completion(&irq_event); |
748 | 723 | ||
724 | status = request_irq(irq_num, handle_twl4030_pih, IRQF_DISABLED, | ||
725 | "TWL4030-PIH", &irq_event); | ||
726 | if (status < 0) { | ||
727 | pr_err("twl4030: could not claim irq%d: %d\n", irq_num, status); | ||
728 | goto fail_rqirq; | ||
729 | } | ||
730 | |||
731 | task = kthread_run(twl4030_irq_thread, (void *)irq_num, "twl4030-irq"); | ||
732 | if (IS_ERR(task)) { | ||
733 | pr_err("twl4030: could not create irq %d thread!\n", irq_num); | ||
734 | status = PTR_ERR(task); | ||
735 | goto fail_kthread; | ||
736 | } | ||
737 | return status; | ||
738 | fail_kthread: | ||
739 | free_irq(irq_num, &irq_event); | ||
740 | fail_rqirq: | ||
741 | /* clean up twl4030_sih_setup */ | ||
749 | fail: | 742 | fail: |
750 | for (i = irq_base; i < irq_end; i++) | 743 | for (i = irq_base; i < irq_end; i++) |
751 | set_irq_chip_and_handler(i, NULL, NULL); | 744 | set_irq_chip_and_handler(i, NULL, NULL); |