tty/hvc/hvc_dcc.c

14 #include <asm/dcc.h>
19 /* DCC Status Bits */
26 /* Lock to serialize access to DCC fifo */
63 EARLYCON_DECLARE(dcc, dcc_early_console_setup);
93  * Check if the DCC is enabled. If CONFIG_HVC_DCC_SERIALIZE_SMP is enabled,
103 	 * If we're not on core 0, but we previously confirmed that DCC is  in hvc_dcc_check()
129  * Workqueue function that writes the output FIFO to the DCC on core 0.
138 	/* While there's data in the output FIFO, write it to the DCC */  in dcc_put_work()
155  * Workqueue function that reads characters from DCC and puts them into the
164 	 * Read characters from DCC and put them into the input FIFO, as  in dcc_get_work()
180  * Write characters directly to the DCC if we're on core 0 and the FIFO
198 		 * workqueue that will actually write that data to DCC.  in hvc_dcc0_put_chars()
210 	 * write the data to DCC.  in hvc_dcc0_put_chars()
219  * Read characters directly from the DCC if we're on core 0 and the FIFO
237 		 * If the FIFO was empty, there may be characters in the DCC  in hvc_dcc0_get_chars()
251 	 * read the data from DCC.  in hvc_dcc0_get_chars()