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can: m_can: m_can_config_endisable(): remove double clearing of clock stop request bit

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[ Upstream commit c9f4cad6cdfe350ce2637e57f7f2aa7ff326bcc6 ]

The CSR bit is already cleared when arriving here so remove this section of
duplicate code.

The registers set in m_can_config_endisable() is set to same exact values as
before this patch.

Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Acked-by: Sriram Dash <sriram.dash@samsung.com>
Acked-by: Dan Murphy <dmurphy@ti.com>
Link: https://lore.kernel.org/r/20191211063227.84259-1-sean@geanix.com
Fixes: f524f829b7 ("can: m_can: Create a m_can platform framework")
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sean Nyekjaer 2019-12-11 07:32:27 +01:00 • committed by Greg Kroah-Hartman
commit e6323070bd
1 changed files with 0 additions and 4 deletions
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4
drivers/net/can/m_can/m_can.c
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@ -379,10 +379,6 @@ void m_can_config_endisable(struct m_can_classdev *cdev, bool enable)
cccr &= ~CCCR_CSR;
if (enable) {
/* Clear the Clock stop request if it was set */
if (cccr & CCCR_CSR)
cccr &= ~CCCR_CSR;
/* enable m_can configuration */
m_can_write(cdev, M_CAN_CCCR, cccr | CCCR_INIT);
udelay(5);