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Date: Thu, 22 Jul 2010 20:25:27 -0500
From: Armando Uribe <x0095078@...com>
To: Greg Kroah-Hartman <gregkh@...e.de>
Cc: Omar Ramirez Luna <omar.ramirez@...com>,
Ohad Ben-Cohen <ohad@...ery.com>,
Ameya Palande <ameya.palande@...ia.com>,
<linux-kernel@...r.kernel.org>, <devel@...verdev.osuosl.org>,
Rene Sapiens <rene.sapiens@...com>,
Felipe Contreras <felipe.contreras@...il.com>,
Armando Uribe <x0095078@...com>
Subject: [PATCH 2/9] staging: tidspbridge: Remove redundant macros in io_sm.c
This patch removes 4 redundant macros used to perform
read/write operations in shared memory region from io_sm.c.
Signed-off-by: Armando Uribe <x0095078@...com>
---
drivers/staging/tidspbridge/core/io_sm.c | 77 ++++++++------------
.../staging/tidspbridge/include/dspbridge/io_sm.h | 5 --
2 files changed, 30 insertions(+), 52 deletions(-)
diff --git a/drivers/staging/tidspbridge/core/io_sm.c b/drivers/staging/tidspbridge/core/io_sm.c
index b115cb3..03960bd 100644
--- a/drivers/staging/tidspbridge/core/io_sm.c
+++ b/drivers/staging/tidspbridge/core/io_sm.c
@@ -1094,15 +1094,12 @@ static void input_chnl(struct io_mgr *pio_mgr, struct chnl_object *pchnl,
chnl_mgr_obj = pio_mgr->hchnl_mgr;
/* Attempt to perform input */
- if (!IO_GET_VALUE(pio_mgr->hbridge_context, struct shm, sm, input_full))
+ if (!sm->input_full)
goto func_end;
- bytes =
- IO_GET_VALUE(pio_mgr->hbridge_context, struct shm, sm,
- input_size) * chnl_mgr_obj->word_size;
- chnl_id = IO_GET_VALUE(pio_mgr->hbridge_context, struct shm,
- sm, input_id);
- dw_arg = IO_GET_LONG(pio_mgr->hbridge_context, struct shm, sm, arg);
+ bytes = sm->input_size * chnl_mgr_obj->word_size;
+ chnl_id = sm->input_id;
+ dw_arg = sm->arg;
if (chnl_id >= CHNL_MAXCHANNELS) {
/* Shouldn't be here: would indicate corrupted shm. */
DBC_ASSERT(chnl_id);
@@ -1185,8 +1182,7 @@ static void input_chnl(struct io_mgr *pio_mgr, struct chnl_object *pchnl,
}
if (clear_chnl) {
/* Indicate to the DSP we have read the input */
- IO_SET_VALUE(pio_mgr->hbridge_context, struct shm, sm,
- input_full, 0);
+ sm->input_full = 0;
sm_interrupt_dsp(pio_mgr->hbridge_context, MBX_PCPY_CLASS);
}
if (notify_client) {
@@ -1215,12 +1211,8 @@ static void input_msg(struct io_mgr *pio_mgr, struct msg_mgr *hmsg_mgr)
msg_ctr_obj = pio_mgr->msg_input_ctrl;
/* Get the number of input messages to be read */
- input_empty =
- IO_GET_VALUE(pio_mgr->hbridge_context, struct msg_ctrl, msg_ctr_obj,
- buf_empty);
- num_msgs =
- IO_GET_VALUE(pio_mgr->hbridge_context, struct msg_ctrl, msg_ctr_obj,
- size);
+ input_empty = msg_ctr_obj->buf_empty;
+ num_msgs = msg_ctr_obj->size;
if (input_empty)
goto func_end;
@@ -1310,10 +1302,8 @@ static void input_msg(struct io_mgr *pio_mgr, struct msg_mgr *hmsg_mgr)
/* Set the post SWI flag */
if (num_msgs > 0) {
/* Tell the DSP we've read the messages */
- IO_SET_VALUE(pio_mgr->hbridge_context, struct msg_ctrl,
- msg_ctr_obj, buf_empty, true);
- IO_SET_VALUE(pio_mgr->hbridge_context, struct msg_ctrl,
- msg_ctr_obj, post_swi, true);
+ msg_ctr_obj->buf_empty = true;
+ msg_ctr_obj->post_swi = true;
sm_interrupt_dsp(pio_mgr->hbridge_context, MBX_PCPY_CLASS);
}
func_end:
@@ -1375,15 +1365,14 @@ static void output_chnl(struct io_mgr *pio_mgr, struct chnl_object *pchnl,
chnl_mgr_obj = pio_mgr->hchnl_mgr;
sm = pio_mgr->shared_mem;
/* Attempt to perform output */
- if (IO_GET_VALUE(pio_mgr->hbridge_context, struct shm, sm, output_full))
+ if (sm->output_full)
goto func_end;
if (pchnl && !((pchnl->dw_state & ~CHNL_STATEEOS) == CHNL_STATEREADY))
goto func_end;
/* Look to see if both a PC and DSP output channel are ready */
- dw_dsp_f_mask = IO_GET_VALUE(pio_mgr->hbridge_context, struct shm, sm,
- dsp_free_mask);
+ dw_dsp_f_mask = sm->dsp_free_mask;
chnl_id =
find_ready_output(chnl_mgr_obj, pchnl,
(chnl_mgr_obj->dw_output_mask & dw_dsp_f_mask));
@@ -1415,23 +1404,19 @@ static void output_chnl(struct io_mgr *pio_mgr, struct chnl_object *pchnl,
chnl_packet_obj->byte_size);
pchnl->bytes_moved += chnl_packet_obj->byte_size;
/* Write all 32 bits of arg */
- IO_SET_LONG(pio_mgr->hbridge_context, struct shm, sm, arg,
- chnl_packet_obj->dw_arg);
+ sm->arg = chnl_packet_obj->dw_arg;
#if _CHNL_WORDSIZE == 2
- IO_SET_VALUE(pio_mgr->hbridge_context, struct shm, sm, output_id,
- (u16) chnl_id);
- IO_SET_VALUE(pio_mgr->hbridge_context, struct shm, sm, output_size,
- (u16) (chnl_packet_obj->byte_size +
- (chnl_mgr_obj->word_size -
- 1)) / (u16) chnl_mgr_obj->word_size);
+ /* Access can be different SM access word size (e.g. 16/32 bit words) */
+ sm->output_id = (u16) chnl_id;
+ sm->output_size = (u16) (chnl_packet_obj->byte_size +
+ chnl_mgr_obj->word_size - 1) /
+ (u16) chnl_mgr_obj->word_size;
#else
- IO_SET_VALUE(pio_mgr->hbridge_context, struct shm, sm, output_id,
- chnl_id);
- IO_SET_VALUE(pio_mgr->hbridge_context, struct shm, sm, output_size,
- (chnl_packet_obj->byte_size +
- (chnl_mgr_obj->word_size - 1)) / chnl_mgr_obj->word_size);
+ sm->output_id = chnl_id;
+ sm->output_size = (chnl_packet_obj->byte_size +
+ chnl_mgr_obj->word_size - 1) / chnl_mgr_obj->word_size;
#endif
- IO_SET_VALUE(pio_mgr->hbridge_context, struct shm, sm, output_full, 1);
+ sm->output_full = 1;
/* Indicate to the DSP we have written the output */
sm_interrupt_dsp(pio_mgr->hbridge_context, MBX_PCPY_CLASS);
/* Notify client with IO completion record (keep EOS) */
@@ -1463,9 +1448,7 @@ static void output_msg(struct io_mgr *pio_mgr, struct msg_mgr *hmsg_mgr)
msg_ctr_obj = pio_mgr->msg_output_ctrl;
/* Check if output has been cleared */
- output_empty =
- IO_GET_VALUE(pio_mgr->hbridge_context, struct msg_ctrl, msg_ctr_obj,
- buf_empty);
+ output_empty = msg_ctr_obj->buf_empty;
if (output_empty) {
num_msgs = (hmsg_mgr->msgs_pending > hmsg_mgr->max_msgs) ?
hmsg_mgr->max_msgs : hmsg_mgr->msgs_pending;
@@ -1512,17 +1495,17 @@ static void output_msg(struct io_mgr *pio_mgr, struct msg_mgr *hmsg_mgr)
if (num_msgs > 0) {
hmsg_mgr->msgs_pending -= num_msgs;
#if _CHNL_WORDSIZE == 2
- IO_SET_VALUE(pio_mgr->hbridge_context, struct msg_ctrl,
- msg_ctr_obj, size, (u16) num_msgs);
+ /*
+ * Access can be different SM access word size
+ * (e.g. 16/32 bit words)
+ */
+ msg_ctr_obj->size = (u16) num_msgs;
#else
- IO_SET_VALUE(pio_mgr->hbridge_context, struct msg_ctrl,
- msg_ctr_obj, size, num_msgs);
+ msg_ctr_obj->size = num_msgs;
#endif
- IO_SET_VALUE(pio_mgr->hbridge_context, struct msg_ctrl,
- msg_ctr_obj, buf_empty, false);
+ msg_ctr_obj->buf_empty = false;
/* Set the post SWI flag */
- IO_SET_VALUE(pio_mgr->hbridge_context, struct msg_ctrl,
- msg_ctr_obj, post_swi, true);
+ msg_ctr_obj->post_swi = true;
/* Tell the DSP we have written the output. */
sm_interrupt_dsp(pio_mgr->hbridge_context,
MBX_PCPY_CLASS);
diff --git a/drivers/staging/tidspbridge/include/dspbridge/io_sm.h b/drivers/staging/tidspbridge/include/dspbridge/io_sm.h
index 8b51c37..f1c44f8 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/io_sm.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/io_sm.h
@@ -33,13 +33,8 @@
#define DSP_FIELD_ADDR(type, field, base, wordsize) \
((((s32)&(((type *)0)->field)) / wordsize) + (u32)base)
-/* Access can be different SM access word size (e.g. 16/32 bit words) */
-#define IO_SET_VALUE(context, type, base, field, value) (base->field = value)
-#define IO_GET_VALUE(context, type, base, field) (base->field)
#define IO_OR_VALUE(context, type, base, field, value) (base->field |= value)
#define IO_AND_VALUE(context, type, base, field, value) (base->field &= value)
-#define IO_SET_LONG(context, type, base, field, value) (base->field = value)
-#define IO_GET_LONG(context, type, base, field) (base->field)
#ifdef CONFIG_TIDSPBRIDGE_DVFS
/* The maximum number of OPPs that are supported */
--
1.6.3.3
--
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