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__mtk_clk_simple_remove() and so also mtk_clk_simple_remove() return
zero unconditionally. Make them return no value instead and convert the
drivers making use of it to platform_driver's .remove_new().
This makes the semantics in the callers of mtk_clk_simple_remove() clearer
and prepares for the quest to make platform driver's remove function return
void. There is no semantic change.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230430190233.878921-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Add a MODULE_DEVICE_TABLE() on all clocks that can be built as modules
to allow auto-load at boot.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Tested-by: Miles Chen <miles.chen@mediatek.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org> # MT8183, MT8192, MT8195 Chromebooks
Link: https://lore.kernel.org/r/20230306140543.1813621-50-angelogioacchino.delregno@collabora.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
mtk_clk_simple_probe was added by Chun-Jie to simply common flow
of MediaTek clock drivers and ChenYu enhanced the error path of
mtk_clk_simple_probe and added mtk_clk_simple_remove.
Let's use mtk_clk_simple_probe and mtk_clk_simple_probe in other
MediaTek clock drivers as well.
Signed-off-by: Miles Chen <miles.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220922091841.4099-5-miles.chen@mediatek.com
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
As part of the effort to improve the MediaTek clk drivers, the next step
is to switch from the old 'struct clk' clk prodivder APIs to the new
'struct clk_hw' ones.
Instead of adding new APIs to the MediaTek clk driver library mirroring
the existing ones, moving all drivers to the new APIs, and then removing
the old ones, just migrate everything at the same time. This involves
replacing 'struct clk' with 'struct clk_hw', and 'struct clk_onecell_data'
with 'struct clk_hw_onecell_data', and fixing up all usages.
For now, the clk_register() and co. usage is retained, with __clk_get_hw()
and (struct clk_hw *)->clk used to bridge the difference between the APIs.
These will be replaced in subsequent patches.
Fix up mtk_{alloc,free}_clk_data to use 'struct clk_hw' by hand. Fix up
all other affected call sites with the following coccinelle script.
// Replace type
@@
@@
- struct clk_onecell_data
+ struct clk_hw_onecell_data
// Replace of_clk_add_provider() & of_clk_src_simple_get()
@@
expression NP, DATA;
symbol of_clk_src_onecell_get;
@@
- of_clk_add_provider(
+ of_clk_add_hw_provider(
NP,
- of_clk_src_onecell_get,
+ of_clk_hw_onecell_get,
DATA
)
// Fix register/unregister
@@
identifier CD;
expression E;
identifier fn =~ "unregister";
@@
fn(...,
- CD->clks[E]
+ CD->hws[E]->clk
,...
);
// Fix calls to clk_prepare_enable()
@@
identifier CD;
expression E;
@@
clk_prepare_enable(
- CD->clks[E]
+ CD->hws[E]->clk
);
// Fix pointer assignment
@@
identifier CD;
identifier CLK;
expression E;
@@
- CD->clks[E]
+ CD->hws[E]
=
(
- CLK
+ __clk_get_hw(CLK)
|
ERR_PTR(...)
)
;
// Fix pointer usage
@@
identifier CD;
expression E;
@@
- CD->clks[E]
+ CD->hws[E]
// Fix mtk_clk_pll_get_base()
@@
symbol clk, hw, data;
@@
mtk_clk_pll_get_base(
- struct clk *clk,
+ struct clk_hw *hw,
const struct mtk_pll_data *data
) {
- struct clk_hw *hw = __clk_get_hw(clk);
...
}
// Fix mtk_clk_pll_get_base() usage
@@
identifier CD;
expression E;
@@
mtk_clk_pll_get_base(
- CD->clks[E]
+ CD->hws[E]->clk
,...
);
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Miles Chen <miles.chen@mediatek.com>
Link: https://lore.kernel.org/r/20220519071610.423372-4-wenst@chromium.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
To support COMMON_CLK_MT6779* module build,
add MODULE_LICENSE and export necessary symbols.
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Hanks Chen <hanks.chen@mediatek.com>
Cc: Wendell Lin <wendell.lin@mediatek.com>
Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Miles Chen <miles.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210901222526.31065-4-miles.chen@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
