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author | Hauke Mehrtens <hauke@hauke-m.de> | 2017-08-20 00:18:18 +0200 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2017-09-04 21:19:02 +0200 |
commit | ba73f0bcced372ca6d438a4c569f61c40f2702ce (patch) | |
tree | fadf45674be04f3b7ac7bb48592670c5b4291c35 /arch | |
parent | reset: Add a reset controller driver for the Lantiq XWAY based SoCs (diff) | |
download | linux-ba73f0bcced372ca6d438a4c569f61c40f2702ce.tar.xz linux-ba73f0bcced372ca6d438a4c569f61c40f2702ce.zip |
MIPS: lantiq: remove old reset controller implementation
This code is now replaced by a reset controller in drivers/reset/reset-
lantiq-rcu.c. The old code was never used anyway.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Cc: martin.blumenstingl@googlemail.com
Cc: john@phrozen.org
Cc: robh@kernel.org
Cc: andy.shevchenko@gmail.com
Cc: p.zabel@pengutronix.de
Cc: kishon@ti.com
Cc: mark.rutland@arm.com
Cc: linux-mips@linux-mips.org
Cc: linux-mtd@lists.infradead.org
Cc: linux-watchdog@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-spi@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/17124/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/mips/lantiq/xway/reset.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c index 2dedcf939901..5cb9309b0047 100644 --- a/arch/mips/lantiq/xway/reset.c +++ b/arch/mips/lantiq/xway/reset.c @@ -194,74 +194,6 @@ int xrx200_gphy_boot(struct device *dev, unsigned int id, dma_addr_t dev_addr) return 0; } -/* reset a io domain for u micro seconds */ -void ltq_reset_once(unsigned int module, ulong u) -{ - ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) | module, RCU_RST_REQ); - udelay(u); - ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) & ~module, RCU_RST_REQ); -} - -static int ltq_assert_device(struct reset_controller_dev *rcdev, - unsigned long id) -{ - u32 val; - - if (id < 8) - return -1; - - val = ltq_rcu_r32(RCU_RST_REQ); - val |= BIT(id); - ltq_rcu_w32(val, RCU_RST_REQ); - - return 0; -} - -static int ltq_deassert_device(struct reset_controller_dev *rcdev, - unsigned long id) -{ - u32 val; - - if (id < 8) - return -1; - - val = ltq_rcu_r32(RCU_RST_REQ); - val &= ~BIT(id); - ltq_rcu_w32(val, RCU_RST_REQ); - - return 0; -} - -static int ltq_reset_device(struct reset_controller_dev *rcdev, - unsigned long id) -{ - ltq_assert_device(rcdev, id); - return ltq_deassert_device(rcdev, id); -} - -static const struct reset_control_ops reset_ops = { - .reset = ltq_reset_device, - .assert = ltq_assert_device, - .deassert = ltq_deassert_device, -}; - -static struct reset_controller_dev reset_dev = { - .ops = &reset_ops, - .owner = THIS_MODULE, - .nr_resets = 32, - .of_reset_n_cells = 1, -}; - -void ltq_rst_init(void) -{ - reset_dev.of_node = of_find_compatible_node(NULL, NULL, - "lantiq,xway-reset"); - if (!reset_dev.of_node) - pr_err("Failed to find reset controller node"); - else - reset_controller_register(&reset_dev); -} - static void ltq_machine_restart(char *command) { u32 val = ltq_rcu_r32(RCU_RST_REQ); |