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67 lines
2.0 KiB
Diff
67 lines
2.0 KiB
Diff
From 7ab075944587e4fe7e2688b1df85452e3d86edb5 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Tue, 21 Feb 2012 14:25:21 +0100
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Subject: [PATCH 28/70] MIPS: lantiq: convert falcon debug uart to clkdev api
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On Falcon SoCs we have a secondary serial port that can be used to help
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debug the voice core. For the port to work several clocking bits need to
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be activated. We convert the code to clkdev api.
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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arch/mips/lantiq/falcon/prom.c | 4 +---
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drivers/tty/serial/lantiq.c | 7 ++++---
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2 files changed, 5 insertions(+), 6 deletions(-)
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--- a/arch/mips/lantiq/falcon/prom.c
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+++ b/arch/mips/lantiq/falcon/prom.c
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@@ -43,10 +43,8 @@ ltq_soc_setup(void)
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ltq_register_asc(0);
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ltq_register_wdt();
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falcon_register_gpio();
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- if (register_asc1) {
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+ if (register_asc1)
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ltq_register_asc(1);
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- ltq_sysctl_activate(SYSCTL_SYS1, ACTS_ASC1_ACT);
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- }
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}
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void __init
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--- a/drivers/tty/serial/lantiq.c
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+++ b/drivers/tty/serial/lantiq.c
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@@ -117,6 +117,7 @@ static DEFINE_SPINLOCK(ltq_asc_lock);
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struct ltq_uart_port {
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struct uart_port port;
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+ struct clk *fpiclk;
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struct clk *clk;
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unsigned int tx_irq;
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unsigned int rx_irq;
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@@ -319,7 +320,7 @@ lqasc_startup(struct uart_port *port)
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struct ltq_uart_port *ltq_port = to_ltq_uart_port(port);
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int retval;
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- port->uartclk = clk_get_rate(ltq_port->clk);
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+ port->uartclk = clk_get_rate(ltq_port->fpiclk);
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ltq_w32_mask(ASCCLC_DISS | ASCCLC_RMCMASK, (1 << ASCCLC_RMCOFFSET),
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port->membase + LTQ_ASC_CLC);
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@@ -646,7 +647,7 @@ lqasc_console_setup(struct console *co,
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port = <q_port->port;
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- port->uartclk = clk_get_rate(ltq_port->clk);
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+ port->uartclk = clk_get_rate(ltq_port->fpiclk);
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if (options)
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uart_parse_options(options, &baud, &parity, &bits, &flow);
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@@ -731,7 +732,7 @@ lqasc_probe(struct platform_device *pdev
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port->irq = tx_irq; /* unused, just to be backward-compatibe */
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port->mapbase = mmres->start;
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- ltq_port->clk = clk;
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+ ltq_port->fpiclk = clk;
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ltq_port->tx_irq = tx_irq;
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ltq_port->rx_irq = rx_irq;
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