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SubjectRe: [PATCH AUTOSEL 5.2 17/42] MIPS: lantiq: update the clock alias' for the mainline PCIe PHY driver
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On 9/29/19 7:32 PM, Sasha Levin wrote:
> From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
>
> [ Upstream commit ed90302be64a53d9031c8ce05428c358b16a5d96 ]
>
> The mainline PCIe PHY driver has it's own devicetree node. Update the
> clock alias so the mainline driver finds the clocks.
>
> The first PCIe PHY is located at 0x1f106800 and exists on VRX200, ARX300
> and GRX390.
> The second PCIe PHY is located at 0x1f700400 and exists on ARX300 and
> GRX390.
> The third PCIe PHY is located at 0x1f106a00 and exists onl on GRX390.
> Lantiq's board support package (called "UGW") names these registers
> "PDI".
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> Signed-off-by: Paul Burton <paul.burton@mips.com>
> Cc: linux-mips@vger.kernel.org
> Cc: devicetree@vger.kernel.org
> Cc: john@phrozen.org
> Cc: kishon@ti.com
> Cc: ralf@linux-mips.org
> Cc: robh+dt@kernel.org
> Cc: linux-kernel@vger.kernel.org
> Cc: hauke@hauke-m.de
> Cc: mark.rutland@arm.com
> Cc: ms@dev.tdt.de
> Signed-off-by: Sasha Levin <sashal@kernel.org>
> ---
> arch/mips/lantiq/xway/sysctrl.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)

Hi Sasha,

This change only makes sense with the new upstream PCIe phy driver which
was added to kernel 5.4 [0], older kernel versions do not have this PCIe
PHY driver. I would not backport these changes to older kernel versions.

[0]: https://git.kernel.org/linus/e52a632195bf43d1a91ae699e7536a6ead736aa7

Hauke

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