Thread (22 messages) 22 messages, 3 authors, 2018-12-17

RE: [PATCH V9 1/7] clk: imx: add configuration option for mmio clks

From: Aisheng Dong <aisheng.dong@nxp.com>
Date: 2018-12-12 10:27:33
Also in: linux-clk

Hi Stephen,
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diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile
index
5c0b11e..f850424 100644
--- a/drivers/clk/imx/Makefile
+++ b/drivers/clk/imx/Makefile
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0

-obj-y += \
+obj-$(CONFIG_MXC_CLK) += \
Because this changes to obj-$(CONFIG) we should change the
drivers/clk/Makefile to have obj-y for this Makefile instead of
depending on ARCH_MXC.
We also use ARCH_MXC for ARMv8 SoC clocks.
Yes, and? I'm suggesting drivers/clk/Makefile have an obj-y +=
drivers/clk/imx/ and then decide to compile or not compile the MXC_CLK
"core" bits based on CONFIG_MXC_CLK config option.
Sorry for the missunderstanding before.
I guess you point is have an ojb-y += drivrs/clk/imx/ Then in
drivers/clk/imx/Kconfig config MXC_CLK
		def_bool ARCH_MXC && !ARM64
		select MXC_clk bits
config MXC_CLK_SCU
		def_bool ARCH_MXC && ARM64
		select SCU clock bits

If wrong please let me know.

Will update the patch series and re-send.
Thanks for the suggestion.
I tried and met another problem that MX8MQ (ARM64) is also
using legacy MXC_CLK. (And 3 more MX8M series based chips.)

That means I have to write something like:
config MXC_CLK
        bool
        def_bool (ARCH_MXC && !ARM64) || (ARCH_MXC && ARM64 && SOC_IMX8MQ)

config MXC_CLK_SCU
        bool
        def_bool (ARCH_MXC && ARM64 && !SOC_IMX8MQ)

But it can't work as ARM64 supports multiplatforms.
e.g. we have also SOC_IMX8QXP, SOC_IMX8QM, SOC_IMX8DM ...

Do you have a suggestion about this?

Regards
Dong Aisheng
Regards
Dong Aisheng
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