diff options
Diffstat (limited to 'target/linux/generic/backport-5.4/820-v5.8-i2c-pxa-use-master-abort-for-device-probes.patch')
| -rw-r--r-- | target/linux/generic/backport-5.4/820-v5.8-i2c-pxa-use-master-abort-for-device-probes.patch | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/target/linux/generic/backport-5.4/820-v5.8-i2c-pxa-use-master-abort-for-device-probes.patch b/target/linux/generic/backport-5.4/820-v5.8-i2c-pxa-use-master-abort-for-device-probes.patch deleted file mode 100644 index cde9e3fe33..0000000000 --- a/target/linux/generic/backport-5.4/820-v5.8-i2c-pxa-use-master-abort-for-device-probes.patch +++ /dev/null @@ -1,35 +0,0 @@ -From: Russell King <rmk+kernel@armlinux.org.uk> -Bcc: linux@mail.armlinux.org.uk -Subject: [PATCH 6/7] i2c: pxa: use master-abort for device probes -MIME-Version: 1.0 -Content-Disposition: inline -Content-Transfer-Encoding: 8bit -Content-Type: text/plain; charset="utf-8" - -Use master-abort to send the stop condition after an address cycle -rather than resetting the controller. - -Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> ---- - drivers/i2c/busses/i2c-pxa.c | 10 ++-------- - 1 file changed, 2 insertions(+), 8 deletions(-) - ---- a/drivers/i2c/busses/i2c-pxa.c -+++ b/drivers/i2c/busses/i2c-pxa.c -@@ -899,14 +899,8 @@ static void i2c_pxa_irq_txempty(struct p - icr &= ~ICR_ALDIE; - icr |= ICR_START | ICR_TB; - } else { -- if (i2c->msg->len == 0) { -- /* -- * Device probes have a message length of zero -- * and need the bus to be reset before it can -- * be used again. -- */ -- i2c_pxa_reset(i2c); -- } -+ if (i2c->msg->len == 0) -+ icr |= ICR_MA; - i2c_pxa_master_complete(i2c, 0); - } - |