From: Mauro Carvalho Chehab <mchehab@s-opensource.com>
To: Linux Media Mailing List <linux-media@vger.kernel.org>
Cc: "Mauro Carvalho Chehab" <mchehab@s-opensource.com>,
"Mauro Carvalho Chehab" <mchehab@infradead.org>,
"Andy Lutomirski" <luto@amacapital.net>,
"Johannes Stezenbach" <js@linuxtv.org>,
"Jiri Kosina" <jikos@kernel.org>,
"Patrick Boettcher" <patrick.boettcher@posteo.de>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
"Andy Lutomirski" <luto@kernel.org>,
"Michael Krufky" <mkrufky@linuxtv.org>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Jörg Otte" <jrg.otte@gmail.com>
Subject: [PATCH v2 12/31] dtt200u-fe: don't keep waiting for lock at set_frontend()
Date: Tue, 11 Oct 2016 07:09:27 -0300 [thread overview]
Message-ID: <e1289c9f18fe374be092c74ae0cc96966219bff8.1476179975.git.mchehab@s-opensource.com> (raw)
In-Reply-To: <cover.1476179975.git.mchehab@s-opensource.com>
In-Reply-To: <cover.1476179975.git.mchehab@s-opensource.com>
It is up to the frontend kthread to wait for lock.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---
drivers/media/usb/dvb-usb/dtt200u-fe.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/drivers/media/usb/dvb-usb/dtt200u-fe.c b/drivers/media/usb/dvb-usb/dtt200u-fe.c
index c09332bd99cb..9bb15f7b48db 100644
--- a/drivers/media/usb/dvb-usb/dtt200u-fe.c
+++ b/drivers/media/usb/dvb-usb/dtt200u-fe.c
@@ -105,8 +105,6 @@ static int dtt200u_fe_set_frontend(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *fep = &fe->dtv_property_cache;
struct dtt200u_fe_state *state = fe->demodulator_priv;
- int i;
- enum fe_status st;
u16 freq = fep->frequency / 250000;
u8 bwbuf[2] = { SET_BANDWIDTH, 0 },freqbuf[3] = { SET_RF_FREQ, 0, 0 };
@@ -130,13 +128,6 @@ static int dtt200u_fe_set_frontend(struct dvb_frontend *fe)
freqbuf[2] = (freq >> 8) & 0xff;
dvb_usb_generic_write(state->d,freqbuf,3);
- for (i = 0; i < 30; i++) {
- msleep(20);
- dtt200u_fe_read_status(fe, &st);
- if (st & FE_TIMEDOUT)
- continue;
- }
-
return 0;
}
--
2.7.4
next prev parent reply other threads:[~2016-10-11 10:15 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-11 10:09 [PATCH v2 00/31] Don't use stack for DMA transers on media usb drivers Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 01/31] af9005: don't do DMA on stack Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 02/31] cinergyT2-core: " Mauro Carvalho Chehab
2016-10-15 20:54 ` Johannes Stezenbach
2016-10-17 17:12 ` Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 03/31] cinergyT2-core: handle error code on RC query Mauro Carvalho Chehab
2016-10-12 2:13 ` [PATCH v2.1 " Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 04/31] cinergyT2-fe: cache stats at cinergyt2_fe_read_status() Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 05/31] cinergyT2-fe: don't do DMA on stack Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 06/31] cxusb: " Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 07/31] dib0700: be sure that dib0700_ctrl_rd() users can do DMA Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 08/31] dib0700_core: don't use stack on I2C reads Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 09/31] dibusb: don't do DMA on stack Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 10/31] dibusb: handle error code on RC query Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 11/31] digitv: don't do DMA on stack Mauro Carvalho Chehab
2016-10-11 10:09 ` Mauro Carvalho Chehab [this message]
2016-10-11 10:09 ` [PATCH v2 13/31] dtt200u-fe: " Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 14/31] dtt200u-fe: handle errors on USB control messages Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 15/31] dtt200u: don't do DMA on stack Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 16/31] dtt200u: handle USB control message errors Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 17/31] dtv5100: don't do DMA on stack Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 18/31] gp8psk: " Mauro Carvalho Chehab
2016-11-06 19:51 ` VDR User
2016-11-07 11:29 ` Johannes Stezenbach
2016-11-07 12:53 ` Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 19/31] gp8psk: don't go past the buffer size Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 20/31] nova-t-usb2: don't do DMA on stack Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 21/31] pctv452e: " Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 22/31] pctv452e: don't call BUG_ON() on non-fatal error Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 23/31] technisat-usb2: use DMA buffers for I2C transfers Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 24/31] dvb-usb: warn if return value for USB read/write routines is not checked Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 25/31] nova-t-usb2: handle error code on RC query Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 26/31] dw2102: return error if su3000_power_ctrl() fails Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 27/31] digitv: handle error code on RC query Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 28/31] cpia2_usb: don't use stack for DMA Mauro Carvalho Chehab
2016-10-11 22:56 ` Kosuke Tatsukawa
2016-10-12 2:18 ` [PATCH v2 .1 " Mauro Carvalho Chehab
2016-10-12 2:19 ` [PATCH v2 " Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 29/31] s2255drv: " Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 30/31] stk-webcam: " Mauro Carvalho Chehab
2016-10-11 10:09 ` [PATCH v2 31/31] flexcop-usb: " Mauro Carvalho Chehab
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