Re: [PATCH 1/2] phy: samsung: phy-exynos-pcie: sanitize init/power_on callbacks

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 29-06-22, 00:04, Marek Szyprowski wrote:
> The exynos-pcie driver called phy_power_on() and then phy_init() for some
> historical reasons. However the generic PHY framework assumes that the
> proper sequence is to call phy_init() first, then phy_power_on(). The
> operations done by both functions should be considered as one action and
> as such they are called by the exynos-pcie driver (without doing anything
> between them). The initialization is just a sequence of register writes,
> which cannot be altered, without breaking the hardware operation.
> 
> To match the generic PHY framework requirement, simply move all register
> writes to the phy_init()/phy_exit() and drop power_on()/power_off()
> callbacks. This way the driver will also work with the old (incorrect)
> PHY initialization call sequence.

Acked-By: Vinod Koul <vkoul@xxxxxxxxxx>

-- 
~Vinod



[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux