From caa687c805332a384afd292e2b20e25a6282ed66 Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Tue, 1 Feb 2011 19:40:25 -0300 Subject: [PATCH] [media] ds3000: loading firmware in bigger chunks Decrease firmware loading time. Before it is ~4000 i2c calls, now it is ~256 i2c calls to load ds3000 firmware. Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/ds3000.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/dvb/frontends/ds3000.c b/drivers/media/dvb/frontends/ds3000.c index 41af75adc575..b2f0f4e8e512 100644 --- a/drivers/media/dvb/frontends/ds3000.c +++ b/drivers/media/dvb/frontends/ds3000.c @@ -305,7 +305,7 @@ static int ds3000_writeFW(struct ds3000_state *state, int reg, struct i2c_msg msg; u8 *buf; - buf = kmalloc(3, GFP_KERNEL); + buf = kmalloc(33, GFP_KERNEL); if (buf == NULL) { printk(KERN_ERR "Unable to kmalloc\n"); ret = -ENOMEM; @@ -317,10 +317,10 @@ static int ds3000_writeFW(struct ds3000_state *state, int reg, msg.addr = state->config->demod_address; msg.flags = 0; msg.buf = buf; - msg.len = 3; + msg.len = 33; - for (i = 0; i < len; i += 2) { - memcpy(buf + 1, data + i, 2); + for (i = 0; i < len; i += 32) { + memcpy(buf + 1, data + i, 32); dprintk("%s: write reg 0x%02x, len = %d\n", __func__, reg, len); -- GitLab