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| author | Juuso Oikarinen <juuso.oikarinen@nokia.com> | 2009-10-12 15:08:48 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-10-27 16:48:04 -0400 |
| commit | e8768eeb5993bf9695adb4afe4118b7fd5e307a3 (patch) | |
| tree | 5148ff8752d786125c208008d50e01d33e4791c7 /drivers/net/wireless/wl12xx/wl1271_boot.c | |
| parent | 732a1ad93e820768bb14732b8365493dbd69ecc8 (diff) | |
| download | lwn-e8768eeb5993bf9695adb4afe4118b7fd5e307a3.tar.gz lwn-e8768eeb5993bf9695adb4afe4118b7fd5e307a3.zip | |
wl1271: Add top-register access functions
Add top register access function.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_boot.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_boot.c | 27 |
1 files changed, 3 insertions, 24 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c index 2eb7836c9ac1..1a3084cca9b8 100644 --- a/drivers/net/wireless/wl12xx/wl1271_boot.c +++ b/drivers/net/wireless/wl12xx/wl1271_boot.c @@ -419,34 +419,13 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl) static int wl1271_boot_write_irq_polarity(struct wl1271 *wl) { - u32 polarity, status, i; + u32 polarity; - wl1271_reg_write32(wl, OCP_POR_CTR, OCP_REG_POLARITY); - wl1271_reg_write32(wl, OCP_CMD, OCP_CMD_READ); - - /* Wait until the command is complete (ie. bit 18 is set) */ - for (i = 0; i < OCP_CMD_LOOP; i++) { - polarity = wl1271_reg_read32(wl, OCP_DATA_READ); - if (polarity & OCP_READY_MASK) - break; - } - if (i == OCP_CMD_LOOP) { - wl1271_error("OCP command timeout!"); - return -EIO; - } - - status = polarity & OCP_STATUS_MASK; - if (status != OCP_STATUS_OK) { - wl1271_error("OCP command failed (%d)", status); - return -EIO; - } + polarity = wl1271_top_reg_read(wl, OCP_REG_POLARITY); /* We use HIGH polarity, so unset the LOW bit */ polarity &= ~POLARITY_LOW; - - wl1271_reg_write32(wl, OCP_POR_CTR, OCP_REG_POLARITY); - wl1271_reg_write32(wl, OCP_DATA_WRITE, polarity); - wl1271_reg_write32(wl, OCP_CMD, OCP_CMD_WRITE); + wl1271_top_reg_write(wl, OCP_REG_POLARITY, polarity); return 0; } |