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| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2012-03-11 12:07:06 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-03-13 13:25:07 +0100 |
| commit | 65acd3391d6f06e18cbc94c48682beca442ae321 (patch) | |
| tree | 528586830b0065f7c4967aa99234a893442cd652 /drivers/mtd | |
| parent | baa23057c55b88c65c25e29640c5ec3e29308110 (diff) | |
| download | barebox-65acd3391d6f06e18cbc94c48682beca442ae321.tar.gz barebox-65acd3391d6f06e18cbc94c48682beca442ae321.tar.xz | |
drivers/mtd: improve docg3 write speed
When programming or erasing a page, don't wait
systematically for 3s, but finish the operation as soon as
the hardware has finished, and timeout if 3 seconds have
passed.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/devices/docg3.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index 88d707c828..7a40908828 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -21,6 +21,7 @@ #include <driver.h> #include <errno.h> #include <malloc.h> +#include <clock.h> #include <io.h> #include <linux/kernel.h> #include <linux/mtd/mtd.h> @@ -780,9 +781,9 @@ static int doc_get_op_status(struct docg3 *docg3) static int doc_write_erase_wait_status(struct docg3 *docg3) { int status, ret = 0; + uint64_t start = get_time_ns(); - if (!doc_is_ready(docg3)) - mdelay(3000); + while (!is_timeout(start, 3000 * MSECOND) && !doc_is_ready(docg3)); if (!doc_is_ready(docg3)) { doc_dbg("Timeout reached and the chip is still not ready\n"); ret = -EAGAIN; |