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author | Christoph Hellwig <hch@lst.de> | 2022-02-23 08:47:20 +0100 |
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committer | Christoph Hellwig <hch@lst.de> | 2022-02-23 08:52:50 +0100 |
commit | 1c4b5ecb7ea190fa3e9f9d6891e6c90b60e04f24 (patch) | |
tree | a9444a92909dc4929e0d1e42301e1d3dbd16c35c /drivers/clk/h8300/clk-div.c | |
parent | 5c1ee569660d4a205dced9cb4d0306b907fb7599 (diff) | |
download | linux-1c4b5ecb7ea190fa3e9f9d6891e6c90b60e04f24.tar.bz2 |
remove the h8300 architecture
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/clk/h8300/clk-div.c')
-rw-r--r-- | drivers/clk/h8300/clk-div.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/drivers/clk/h8300/clk-div.c b/drivers/clk/h8300/clk-div.c deleted file mode 100644 index 376be03bb546..000000000000 --- a/drivers/clk/h8300/clk-div.c +++ /dev/null @@ -1,57 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * H8/300 divide clock driver - * - * Copyright 2015 Yoshinori Sato <ysato@users.sourceforge.jp> - */ - -#include <linux/clk-provider.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/of.h> -#include <linux/of_address.h> - -static DEFINE_SPINLOCK(clklock); - -static void __init h8300_div_clk_setup(struct device_node *node) -{ - unsigned int num_parents; - struct clk_hw *hw; - const char *clk_name = node->name; - const char *parent_name; - void __iomem *divcr = NULL; - int width; - int offset; - - num_parents = of_clk_get_parent_count(node); - if (!num_parents) { - pr_err("%s: no parent found\n", clk_name); - return; - } - - divcr = of_iomap(node, 0); - if (divcr == NULL) { - pr_err("%s: failed to map divide register\n", clk_name); - goto error; - } - offset = (unsigned long)divcr & 3; - offset = (3 - offset) * 8; - divcr = (void __iomem *)((unsigned long)divcr & ~3); - - parent_name = of_clk_get_parent_name(node, 0); - of_property_read_u32(node, "renesas,width", &width); - hw = clk_hw_register_divider(NULL, clk_name, parent_name, - CLK_SET_RATE_GATE, divcr, offset, width, - CLK_DIVIDER_POWER_OF_TWO, &clklock); - if (!IS_ERR(hw)) { - of_clk_add_hw_provider(node, of_clk_hw_simple_get, hw); - return; - } - pr_err("%s: failed to register %s div clock (%ld)\n", - __func__, clk_name, PTR_ERR(hw)); -error: - if (divcr) - iounmap(divcr); -} - -CLK_OF_DECLARE(h8300_div_clk, "renesas,h8300-div-clock", h8300_div_clk_setup); |