diff options
author | Pierre Ossman <drzeus@drzeus.cx> | 2007-09-24 01:15:48 -0400 |
---|---|---|
committer | Pierre Ossman <drzeus@drzeus.cx> | 2007-09-24 01:15:48 -0400 |
commit | af8350c756cb48a738474738f7bf8c0e572fa057 (patch) | |
tree | e46fcb2b0eaf158759bfe75fc22fe01dd2556f3a /drivers/mmc | |
parent | 15a0580ced081a0f7dc2deea8a4812bdc5e9a109 (diff) |
mmc: add led trigger
Add a led trigger for each host controller that indicates if there
is a request active on the controller.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/core/core.c | 5 | ||||
-rw-r--r-- | drivers/mmc/core/host.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index bad39442f8f..09435e0ec68 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c | |||
@@ -18,6 +18,7 @@ | |||
18 | #include <linux/delay.h> | 18 | #include <linux/delay.h> |
19 | #include <linux/pagemap.h> | 19 | #include <linux/pagemap.h> |
20 | #include <linux/err.h> | 20 | #include <linux/err.h> |
21 | #include <linux/leds.h> | ||
21 | #include <asm/scatterlist.h> | 22 | #include <asm/scatterlist.h> |
22 | #include <linux/scatterlist.h> | 23 | #include <linux/scatterlist.h> |
23 | 24 | ||
@@ -92,6 +93,8 @@ void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq) | |||
92 | cmd->error = 0; | 93 | cmd->error = 0; |
93 | host->ops->request(host, mrq); | 94 | host->ops->request(host, mrq); |
94 | } else { | 95 | } else { |
96 | led_trigger_event(host->led, LED_OFF); | ||
97 | |||
95 | pr_debug("%s: req done (CMD%u): %d: %08x %08x %08x %08x\n", | 98 | pr_debug("%s: req done (CMD%u): %d: %08x %08x %08x %08x\n", |
96 | mmc_hostname(host), cmd->opcode, err, | 99 | mmc_hostname(host), cmd->opcode, err, |
97 | cmd->resp[0], cmd->resp[1], | 100 | cmd->resp[0], cmd->resp[1], |
@@ -146,6 +149,8 @@ mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) | |||
146 | 149 | ||
147 | WARN_ON(!host->claimed); | 150 | WARN_ON(!host->claimed); |
148 | 151 | ||
152 | led_trigger_event(host->led, LED_FULL); | ||
153 | |||
149 | mrq->cmd->error = 0; | 154 | mrq->cmd->error = 0; |
150 | mrq->cmd->mrq = mrq; | 155 | mrq->cmd->mrq = mrq; |
151 | if (mrq->data) { | 156 | if (mrq->data) { |
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 37b761891d6..64fbc9759a3 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c | |||
@@ -15,6 +15,7 @@ | |||
15 | #include <linux/err.h> | 15 | #include <linux/err.h> |
16 | #include <linux/idr.h> | 16 | #include <linux/idr.h> |
17 | #include <linux/pagemap.h> | 17 | #include <linux/pagemap.h> |
18 | #include <linux/leds.h> | ||
18 | 19 | ||
19 | #include <linux/mmc/host.h> | 20 | #include <linux/mmc/host.h> |
20 | 21 | ||
@@ -115,6 +116,8 @@ int mmc_add_host(struct mmc_host *host) | |||
115 | snprintf(host->class_dev.bus_id, BUS_ID_SIZE, | 116 | snprintf(host->class_dev.bus_id, BUS_ID_SIZE, |
116 | "mmc%d", host->index); | 117 | "mmc%d", host->index); |
117 | 118 | ||
119 | led_trigger_register_simple(host->class_dev.bus_id, &host->led); | ||
120 | |||
118 | err = device_add(&host->class_dev); | 121 | err = device_add(&host->class_dev); |
119 | if (err) | 122 | if (err) |
120 | return err; | 123 | return err; |
@@ -140,6 +143,8 @@ void mmc_remove_host(struct mmc_host *host) | |||
140 | 143 | ||
141 | device_del(&host->class_dev); | 144 | device_del(&host->class_dev); |
142 | 145 | ||
146 | led_trigger_unregister(host->led); | ||
147 | |||
143 | spin_lock(&mmc_host_lock); | 148 | spin_lock(&mmc_host_lock); |
144 | idr_remove(&mmc_host_idr, host->index); | 149 | idr_remove(&mmc_host_idr, host->index); |
145 | spin_unlock(&mmc_host_lock); | 150 | spin_unlock(&mmc_host_lock); |