On Tue, Mar 11, 2025 at 10:01:02AM +0100, Quentin Schulz wrote: > Hi all, > > On 3/10/25 6:04 PM, Greg Kroah-Hartman wrote: > > 6.6-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Farouk Bouabid <farouk.bouabid@xxxxxxxxxxxxxxxxxxxxx> > > > > [ Upstream commit 5963d97aa780619ffb66cf4886c0ca1175ccbd3e ] > > > > A hardware switch can set the rs485 transceiver into half or full duplex > > mode. > > > > Switching to the half-duplex mode requires the user to enable em485 on > > uart5 using ioctl, DE/RE are both connected to GPIO0_B5 which is the > > RTS signal for uart0. Implement GPIO0_B5 as rts-gpios with RTS_ON_SEND > > option enabled (default) so that driver mode gets enabled while sending > > (RTS high) and receiver mode gets enabled while not sending (RTS low). > > > > In full-duplex mode (em485 is disabled), DE is connected to GPIO0_B5 and > > RE is grounded (enabled). Since GPIO0_B5 is implemented as rts-gpios, the > > driver mode gets enabled whenever we want to send something and RE is not > > affected (always enabled) in this case by the state of RTS. > > > > Signed-off-by: Farouk Bouabid <farouk.bouabid@xxxxxxxxxxxxxxxxxxxxx> > > Link: https://lore.kernel.org/r/20240208-dev-rx-enable-v6-2-39e68e17a339@xxxxxxxxxxxxxxxxxxxxx > > Signed-off-by: Heiko Stuebner <heiko@xxxxxxxxx> > > Stable-dep-of: 5ae4dca718ea ("arm64: dts: rockchip: Disable DMA for uart5 on px30-ringneck") > > I don't mind the backport of this 005/145 patch, but this Stable-dep-of > commit has already been merged in 6.6 with a conflict resolution, see > bcc87e2e01637a90d67c66ce6c2eb28a78bf79f2. Odd. Sasha, did something go off in your scripts?
