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authorSonic Zhang <sonic.zhang@analog.com>2009-04-07 11:51:15 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-07 11:44:05 -0400
commit6f95570e407d03c5140a220e054f9b18abdc7041 (patch)
treed239c58f148bf0644ee38c86da0fdd36f204240d /arch/blackfin
parent1dcb884ca8048efb4ce2999d367c26369ab2227c (diff)
Change hardware flow control from poll to interrupt driven
Only the CTS bit is affected. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h26
-rw-r--r--arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h20
-rw-r--r--arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h27
-rw-r--r--arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h45
-rw-r--r--arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h20
5 files changed, 0 insertions, 138 deletions
diff --git a/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h
index e8c41fd842b..d2b160c14f0 100644
--- a/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h
+++ b/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h
@@ -167,29 +167,3 @@ struct bfin_serial_res bfin_serial_resource[] = {
167}; 167};
168 168
169#define DRIVER_NAME "bfin-uart" 169#define DRIVER_NAME "bfin-uart"
170
171static void bfin_serial_hw_init(struct bfin_serial_port *uart)
172{
173
174#ifdef CONFIG_SERIAL_BFIN_UART0
175 peripheral_request(P_UART0_TX, DRIVER_NAME);
176 peripheral_request(P_UART0_RX, DRIVER_NAME);
177#endif
178
179#ifdef CONFIG_SERIAL_BFIN_UART1
180 peripheral_request(P_UART1_TX, DRIVER_NAME);
181 peripheral_request(P_UART1_RX, DRIVER_NAME);
182#endif
183
184#ifdef CONFIG_SERIAL_BFIN_CTSRTS
185 if (uart->cts_pin >= 0) {
186 gpio_request(uart->cts_pin, DRIVER_NAME);
187 gpio_direction_input(uart->cts_pin);
188 }
189
190 if (uart->rts_pin >= 0) {
191 gpio_request(uart->rts_pin, DRIVER_NAME);
192 gpio_direction_output(uart->rts_pin, 0);
193 }
194#endif
195}
diff --git a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h
index 5f517f53b0f..70356ddf850 100644
--- a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h
+++ b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h
@@ -142,23 +142,3 @@ struct bfin_serial_res bfin_serial_resource[] = {
142}; 142};
143 143
144#define DRIVER_NAME "bfin-uart" 144#define DRIVER_NAME "bfin-uart"
145
146static void bfin_serial_hw_init(struct bfin_serial_port *uart)
147{
148
149#ifdef CONFIG_SERIAL_BFIN_UART0
150 peripheral_request(P_UART0_TX, DRIVER_NAME);
151 peripheral_request(P_UART0_RX, DRIVER_NAME);
152#endif
153
154#ifdef CONFIG_SERIAL_BFIN_CTSRTS
155 if (uart->cts_pin >= 0) {
156 gpio_request(uart->cts_pin, DRIVER_NAME);
157 gpio_direction_input(uart->cts_pin);
158 }
159 if (uart->rts_pin >= 0) {
160 gpio_request(uart->rts_pin, DRIVER_NAME);
161 gpio_direction_output(uart->rts_pin, 0);
162 }
163#endif
164}
diff --git a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h
index 9e34700844a..d46fc4f50cf 100644
--- a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h
+++ b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h
@@ -99,7 +99,6 @@ struct bfin_serial_port {
99 struct work_struct tx_dma_workqueue; 99 struct work_struct tx_dma_workqueue;
100#endif 100#endif
101#ifdef CONFIG_SERIAL_BFIN_CTSRTS 101#ifdef CONFIG_SERIAL_BFIN_CTSRTS
102 struct timer_list cts_timer;
103 int cts_pin; 102 int cts_pin;
104 int rts_pin; 103 int rts_pin;
105#endif 104#endif
@@ -167,29 +166,3 @@ struct bfin_serial_res bfin_serial_resource[] = {
167}; 166};
168 167
169#define DRIVER_NAME "bfin-uart" 168#define DRIVER_NAME "bfin-uart"
170
171static void bfin_serial_hw_init(struct bfin_serial_port *uart)
172{
173
174#ifdef CONFIG_SERIAL_BFIN_UART0
175 peripheral_request(P_UART0_TX, DRIVER_NAME);
176 peripheral_request(P_UART0_RX, DRIVER_NAME);
177#endif
178
179#ifdef CONFIG_SERIAL_BFIN_UART1
180 peripheral_request(P_UART1_TX, DRIVER_NAME);
181 peripheral_request(P_UART1_RX, DRIVER_NAME);
182#endif
183
184#ifdef CONFIG_SERIAL_BFIN_CTSRTS
185 if (uart->cts_pin >= 0) {
186 gpio_request(uart->cts_pin, DRIVER_NAME);
187 gpio_direction_input(uart->cts_pin);
188 }
189
190 if (uart->rts_pin >= 0) {
191 gpio_request(uart->rts_pin, DRIVER_NAME);
192 gpio_direction_output(uart->rts_pin, 0);
193 }
194#endif
195}
diff --git a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h
index c05e79cba25..388e2328aeb 100644
--- a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h
+++ b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h
@@ -181,48 +181,3 @@ struct bfin_serial_res bfin_serial_resource[] = {
181}; 181};
182 182
183#define DRIVER_NAME "bfin-uart" 183#define DRIVER_NAME "bfin-uart"
184
185static void bfin_serial_hw_init(struct bfin_serial_port *uart)
186{
187#ifdef CONFIG_SERIAL_BFIN_UART0
188 peripheral_request(P_UART0_TX, DRIVER_NAME);
189 peripheral_request(P_UART0_RX, DRIVER_NAME);
190#endif
191
192#ifdef CONFIG_SERIAL_BFIN_UART1
193 peripheral_request(P_UART1_TX, DRIVER_NAME);
194 peripheral_request(P_UART1_RX, DRIVER_NAME);
195
196#ifdef CONFIG_BFIN_UART1_CTSRTS
197 peripheral_request(P_UART1_RTS, DRIVER_NAME);
198 peripheral_request(P_UART1_CTS, DRIVER_NAME);
199#endif
200#endif
201
202#ifdef CONFIG_SERIAL_BFIN_UART2
203 peripheral_request(P_UART2_TX, DRIVER_NAME);
204 peripheral_request(P_UART2_RX, DRIVER_NAME);
205#endif
206
207#ifdef CONFIG_SERIAL_BFIN_UART3
208 peripheral_request(P_UART3_TX, DRIVER_NAME);
209 peripheral_request(P_UART3_RX, DRIVER_NAME);
210
211#ifdef CONFIG_BFIN_UART3_CTSRTS
212 peripheral_request(P_UART3_RTS, DRIVER_NAME);
213 peripheral_request(P_UART3_CTS, DRIVER_NAME);
214#endif
215#endif
216 SSYNC();
217#ifdef CONFIG_SERIAL_BFIN_CTSRTS
218 if (uart->cts_pin >= 0) {
219 gpio_request(uart->cts_pin, DRIVER_NAME);
220 gpio_direction_input(uart->cts_pin);
221 }
222
223 if (uart->rts_pin >= 0) {
224 gpio_request(uart->rts_pin, DRIVER_NAME);
225 gpio_direction_output(uart->rts_pin, 0);
226 }
227#endif
228}
diff --git a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h
index ca8c5f64520..d0469e3e16d 100644
--- a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h
+++ b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h
@@ -142,23 +142,3 @@ struct bfin_serial_res bfin_serial_resource[] = {
142}; 142};
143 143
144#define DRIVER_NAME "bfin-uart" 144#define DRIVER_NAME "bfin-uart"
145
146static void bfin_serial_hw_init(struct bfin_serial_port *uart)
147{
148
149#ifdef CONFIG_SERIAL_BFIN_UART0
150 peripheral_request(P_UART0_TX, DRIVER_NAME);
151 peripheral_request(P_UART0_RX, DRIVER_NAME);
152#endif
153
154#ifdef CONFIG_SERIAL_BFIN_CTSRTS
155 if (uart->cts_pin >= 0) {
156 gpio_request(uart->cts_pin, DRIVER_NAME);
157 gpio_direction_input(uart->cts_pin);
158 }
159 if (uart->rts_pin >= 0) {
160 gpio_request(uart->rts_pin, DRIVER_NAME);
161 gpio_direction_output(uart->rts_pin, 0);
162 }
163#endif
164}
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-19 13:24:54 -0400