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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 16:54:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 16:54:07 -0700
commit5a86102248592e178a9023359ccf7f0e489d8e35 (patch)
tree9e5fdb9aafca687fa412f7c034f2cfbb834b8567 /drivers/media/video/cx25840/cx25840-firmware.c
parent85082fd7cbe3173198aac0eb5e85ab1edcc6352c (diff)
parent751851af7aae9b8bd5a60b3897209081fbc18b2b (diff)
Merge branch 'for-2.6.27' of git://git.infradead.org/users/dwmw2/firmware-2.6
* 'for-2.6.27' of git://git.infradead.org/users/dwmw2/firmware-2.6: (64 commits) firmware: convert sb16_csp driver to use firmware loader exclusively dsp56k: use request_firmware edgeport-ti: use request_firmware() edgeport: use request_firmware() vicam: use request_firmware() dabusb: use request_firmware() cpia2: use request_firmware() ip2: use request_firmware() firmware: convert Ambassador ATM driver to request_firmware() whiteheat: use request_firmware() ti_usb_3410_5052: use request_firmware() emi62: use request_firmware() emi26: use request_firmware() keyspan_pda: use request_firmware() keyspan: use request_firmware() ttusb-budget: use request_firmware() kaweth: use request_firmware() smctr: use request_firmware() firmware: convert ymfpci driver to use firmware loader exclusively firmware: convert maestro3 driver to use firmware loader exclusively ... Fix up trivial conflicts with BKL removal in drivers/char/dsp56k.c and drivers/char/ip2/ip2main.c manually.
Diffstat (limited to 'drivers/media/video/cx25840/cx25840-firmware.c')
-rw-r--r--drivers/media/video/cx25840/cx25840-firmware.c27
1 files changed, 11 insertions, 16 deletions
diff --git a/drivers/media/video/cx25840/cx25840-firmware.c b/drivers/media/video/cx25840/cx25840-firmware.c
index 620d295947ab..8d489a4b9570 100644
--- a/drivers/media/video/cx25840/cx25840-firmware.c
+++ b/drivers/media/video/cx25840/cx25840-firmware.c
@@ -79,7 +79,7 @@ static int check_fw_load(struct i2c_client *client, int size)
return 0;
}
-static int fw_write(struct i2c_client *client, u8 *data, int size)
+static int fw_write(struct i2c_client *client, const u8 *data, int size)
{
if (i2c_master_send(client, data, size) < size) {
v4l_err(client, "firmware load i2c failure\n");
@@ -93,7 +93,8 @@ int cx25840_loadfw(struct i2c_client *client)
{
struct cx25840_state *state = i2c_get_clientdata(client);
const struct firmware *fw = NULL;
- u8 buffer[4], *ptr;
+ u8 buffer[FWSEND];
+ const u8 *ptr;
int size, retval;
if (state->is_cx23885)
@@ -108,29 +109,23 @@ int cx25840_loadfw(struct i2c_client *client)
buffer[0] = 0x08;
buffer[1] = 0x02;
- buffer[2] = fw->data[0];
- buffer[3] = fw->data[1];
- retval = fw_write(client, buffer, 4);
- if (retval < 0) {
- release_firmware(fw);
- return retval;
- }
-
- size = fw->size - 2;
+ size = fw->size;
ptr = fw->data;
while (size > 0) {
- ptr[0] = 0x08;
- ptr[1] = 0x02;
- retval = fw_write(client, ptr, min(FWSEND, size + 2));
+ int len = min(FWSEND - 2, size);
+
+ memcpy(buffer + 2, ptr, len);
+
+ retval = fw_write(client, buffer, len + 2);
if (retval < 0) {
release_firmware(fw);
return retval;
}
- size -= FWSEND - 2;
- ptr += FWSEND - 2;
+ size -= len;
+ ptr += len;
}
end_fw_load(client);