From: Ondrej Zary <linux@zary.sk>
To: Damien Le Moal <damien.lemoal@opensource.wdc.com>,
Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>,
Sergey Shtylyov <s.shtylyov@omp.ru>, Jens Axboe <axboe@kernel.dk>,
Tim Waugh <tim@cyberelk.net>,
linux-block@vger.kernel.org, linux-parport@lists.infradead.org,
linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 08/32] pata_parport-bpck6: remove mode from struct ppc_storage
Date: Tue, 7 Mar 2023 23:46:03 +0100 [thread overview]
Message-ID: <20230307224627.28011-9-linux@zary.sk> (raw)
In-Reply-To: <20230307224627.28011-1-linux@zary.sk>
introduce mode_map[] that maps bpck6 modes to ppc6 modes and use it to
replace mode in ppc_storage
Signed-off-by: Ondrej Zary <linux@zary.sk>
---
drivers/ata/pata_parport/bpck6.c | 22 +++++-----------------
drivers/ata/pata_parport/ppc6lnx.c | 27 +++++++++++----------------
2 files changed, 16 insertions(+), 33 deletions(-)
diff --git a/drivers/ata/pata_parport/bpck6.c b/drivers/ata/pata_parport/bpck6.c
index 176bf456c698..fe97d1dee51c 100644
--- a/drivers/ata/pata_parport/bpck6.c
+++ b/drivers/ata/pata_parport/bpck6.c
@@ -43,22 +43,8 @@ static void bpck6_read_block(struct pi_adapter *pi, char *buf, int len)
static void bpck6_connect(struct pi_adapter *pi)
{
- struct ppc_storage *ppc = (void *)(pi->private);
dev_dbg(&pi->dev, "connect\n");
- if(pi->mode >=2)
- {
- ppc->mode = 4+pi->mode-2;
- }
- else if(pi->mode==1)
- {
- ppc->mode = 3;
- }
- else
- {
- ppc->mode = 1;
- }
-
ppc6_open(pi);
ppc6_wr_extout(pi, 0x3);
}
@@ -85,13 +71,13 @@ static int bpck6_test_port(struct pi_adapter *pi) /* check for 8-bit port */
static int bpck6_probe_unit(struct pi_adapter *pi)
{
- struct ppc_storage *ppc = (void *)(pi->private);
- int out;
+ int out, saved_mode;
dev_dbg(&pi->dev, "PROBE UNIT %x on port:%x\n", pi->unit, pi->port);
+ saved_mode = pi->mode;
/*LOWER DOWN TO UNIDIRECTIONAL*/
- ppc->mode = 1;
+ pi->mode = 0;
out = ppc6_open(pi);
@@ -101,11 +87,13 @@ static int bpck6_probe_unit(struct pi_adapter *pi)
{
ppc6_close(pi);
dev_dbg(&pi->dev, "leaving probe\n");
+ pi->mode = saved_mode;
return(1);
}
else
{
dev_dbg(&pi->dev, "Failed open\n");
+ pi->mode = saved_mode;
return(0);
}
}
diff --git a/drivers/ata/pata_parport/ppc6lnx.c b/drivers/ata/pata_parport/ppc6lnx.c
index 7ea8e8a31aeb..75f9748d8de5 100644
--- a/drivers/ata/pata_parport/ppc6lnx.c
+++ b/drivers/ata/pata_parport/ppc6lnx.c
@@ -65,14 +65,6 @@
//***************************************************************************
struct ppc_storage {
- u8 mode; // operating mode
- // 0 = PPC Uni SW
- // 1 = PPC Uni FW
- // 2 = PPC Bi SW
- // 3 = PPC Bi FW
- // 4 = EPP Byte
- // 5 = EPP Word
- // 6 = EPP Dword
u8 ppc_flags;
u8 cur_ctrl; // current control port contents
};
@@ -115,6 +107,9 @@ static void ppc6_close(struct pi_adapter *pi);
//***************************************************************************
+int mode_map[] = { PPCMODE_UNI_FW, PPCMODE_BI_FW, PPCMODE_EPP_BYTE,
+ PPCMODE_EPP_WORD, PPCMODE_EPP_DWORD };
+
static int ppc6_select(struct pi_adapter *pi)
{
struct ppc_storage *ppc = (void *)(pi->private);
@@ -151,10 +146,10 @@ static int ppc6_select(struct pi_adapter *pi)
outb(ppc->cur_ctrl, pi->port + 2);
- i = ppc->mode & 0x0C;
+ i = mode_map[pi->mode] & 0x0C;
if (i == 0)
- i = (ppc->mode & 2) | 1;
+ i = (mode_map[pi->mode] & 2) | 1;
outb(i, pi->port);
@@ -205,7 +200,7 @@ static int ppc6_select(struct pi_adapter *pi)
static void ppc6_deselect(struct pi_adapter *pi)
{
struct ppc_storage *ppc = (void *)(pi->private);
- if (ppc->mode & 4) // EPP
+ if (mode_map[pi->mode] & 4) // EPP
ppc->cur_ctrl |= port_init;
else // PPC/ECP
ppc->cur_ctrl |= port_sel;
@@ -224,7 +219,7 @@ static void ppc6_deselect(struct pi_adapter *pi)
static void ppc6_send_cmd(struct pi_adapter *pi, u8 cmd)
{
struct ppc_storage *ppc = (void *)(pi->private);
- switch(ppc->mode)
+ switch (mode_map[pi->mode])
{
case PPCMODE_UNI_SW :
case PPCMODE_UNI_FW :
@@ -256,7 +251,7 @@ static void ppc6_send_cmd(struct pi_adapter *pi, u8 cmd)
static void ppc6_wr_data_byte(struct pi_adapter *pi, u8 data)
{
struct ppc_storage *ppc = (void *)(pi->private);
- switch(ppc->mode)
+ switch (mode_map[pi->mode])
{
case PPCMODE_UNI_SW :
case PPCMODE_UNI_FW :
@@ -290,7 +285,7 @@ static u8 ppc6_rd_data_byte(struct pi_adapter *pi)
struct ppc_storage *ppc = (void *)(pi->private);
u8 data = 0;
- switch(ppc->mode)
+ switch (mode_map[pi->mode])
{
case PPCMODE_UNI_SW :
case PPCMODE_UNI_FW :
@@ -380,7 +375,7 @@ static void ppc6_wr_port(struct pi_adapter *pi, u8 port, u8 data)
static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count)
{
struct ppc_storage *ppc = (void *)(pi->private);
- switch(ppc->mode)
+ switch (mode_map[pi->mode])
{
case PPCMODE_UNI_SW :
case PPCMODE_UNI_FW :
@@ -531,7 +526,7 @@ static void ppc6_wait_for_fifo(struct pi_adapter *pi)
static void ppc6_wr_data_blk(struct pi_adapter *pi, u8 *data, long count)
{
struct ppc_storage *ppc = (void *)(pi->private);
- switch(ppc->mode)
+ switch (mode_map[pi->mode])
{
case PPCMODE_UNI_SW :
case PPCMODE_BI_SW :
--
Ondrej Zary
next prev parent reply other threads:[~2023-03-07 22:47 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-07 22:45 [PATCH 00/32] pata_parport-bpck6: rework bpck6 protocol driver Ondrej Zary
2023-03-07 22:45 ` [PATCH 01/32] pata_parport-bpck6: remove useless defines Ondrej Zary
2023-03-08 10:28 ` Sergei Shtylyov
2023-03-07 22:45 ` [PATCH 02/32] pata_parport-bpck6: remove useless range check from read/write_regr Ondrej Zary
2023-03-08 18:03 ` Sergey Shtylyov
2023-03-07 22:45 ` [PATCH 03/32] pata_parport-bpck6: don't cast pi->pardev to struct pardevice * Ondrej Zary
2023-03-08 18:15 ` Sergey Shtylyov
2023-03-07 22:45 ` [PATCH 04/32] pata_parport-bpck6: pass around struct pi_adapter * Ondrej Zary
2023-03-08 20:33 ` Sergey Shtylyov
2023-03-09 20:58 ` Ondrej Zary
2023-03-10 10:19 ` Sergey Shtylyov
2023-03-08 20:34 ` Sergey Shtylyov
2023-03-07 22:46 ` [PATCH 05/32] pata_parport-bpck6: remove lpt_addr from struct ppc_storage Ondrej Zary
2023-03-11 15:43 ` Sergey Shtylyov
2023-03-07 22:46 ` [PATCH 06/32] pata_parport-bpck6: remove ppc_id " Ondrej Zary
2023-03-08 20:41 ` Sergey Shtylyov
2023-03-07 22:46 ` [PATCH 07/32] pata_parport-bpck6: remove org_* " Ondrej Zary
2023-03-08 20:43 ` Sergey Shtylyov
2023-03-07 22:46 ` Ondrej Zary [this message]
2023-03-11 17:07 ` [PATCH 08/32] pata_parport-bpck6: remove mode " Sergey Shtylyov
2023-03-07 22:46 ` [PATCH 09/32] pata_parport-bpck6: remove " Ondrej Zary
2023-03-11 19:30 ` Sergey Shtylyov
2023-03-07 22:46 ` [PATCH 10/32] pata_parport-bpck6: remove parallel port bit defines Ondrej Zary
2023-03-07 22:46 ` [PATCH 11/32] parport_pc: add 16-bit and 8-bit fast EPP transfer flags Ondrej Zary
2023-03-11 20:09 ` Sergey Shtylyov
2023-03-11 20:31 ` Sergey Shtylyov
2023-03-07 22:46 ` [PATCH 12/32] pata_parport-bpck6: use parport access functions instead of port I/O Ondrej Zary
2023-03-07 22:46 ` [PATCH 13/32] pata_parport-bpck6: use parport_frob_control and remove CUR_CTRL Ondrej Zary
2023-03-07 22:46 ` [PATCH 14/32] pata_parport-bpck6: remove PPC_FLAGS Ondrej Zary
2023-03-11 20:12 ` Sergey Shtylyov
2023-03-07 22:46 ` [PATCH 15/32] pata_parport-bpck6: remove ppc6_close Ondrej Zary
2023-03-07 22:46 ` [PATCH 16/32] pata_parport-bpck6: merge ppc6_rd_port into bpck6_read_regr Ondrej Zary
2023-03-07 22:46 ` [PATCH 17/32] pata_parport-bpck6: merge ppc6_wr_port into bpck6_write_regr Ondrej Zary
2023-03-07 22:46 ` [PATCH 18/32] pata_parport-bpck6: merge ppc6_rd_port16_blk into bpck6_read_block Ondrej Zary
2023-03-07 22:46 ` [PATCH 19/32] pata_parport-bpck6: merge ppc6_wr_port16_blk into bpck6_write_block Ondrej Zary
2023-03-07 22:46 ` [PATCH 20/32] pata_parport-bpck6: merge ppc6_rd_data_blk into bpck6_read_block Ondrej Zary
2023-03-07 22:46 ` [PATCH 21/32] pata_parport-bpck6: merge ppc6_wr_data_blk into bpck6_write_block Ondrej Zary
2023-03-07 22:46 ` [PATCH 22/32] pata_parport-bpck6: move ppc6_wait_for_fifo to bpck6.c and rename Ondrej Zary
2023-03-07 22:46 ` [PATCH 23/32] pata_parport-bpck6: move ppc6_wr_extout " Ondrej Zary
2023-03-07 22:46 ` [PATCH 24/32] pata_parport-bpck6: move ppc6_open " Ondrej Zary
2023-03-07 22:46 ` [PATCH 25/32] pata_parport-bpck6: merge ppc6_select into bpck6_open Ondrej Zary
2023-03-07 22:46 ` [PATCH 26/32] pata_parport-bpck6: move ppc6_deselect to bpck6.c and rename Ondrej Zary
2023-03-07 22:46 ` [PATCH 27/32] pata_parport-bpck6: move ppc6_send_cmd " Ondrej Zary
2023-03-07 22:46 ` [PATCH 28/32] pata_parport-bpck6: move ppc6_rd_data_byte " Ondrej Zary
2023-03-07 22:46 ` [PATCH 29/32] pata_parport-bpck6: move ppc6_wr_data_byte " Ondrej Zary
2023-03-07 22:46 ` [PATCH 30/32] pata_parport-bpck6: move defines and mode_map to bpck6.c Ondrej Zary
2023-03-07 22:46 ` [PATCH 31/32] pata_parport-bpck6: delete ppc6lnx.c Ondrej Zary
2023-03-11 20:15 ` Sergey Shtylyov
2023-03-07 22:46 ` [PATCH 32/32] pata_parport-bpck6: reduce indents in bpck6_open Ondrej Zary
2023-03-11 20:00 ` [PATCH 00/32] pata_parport-bpck6: rework bpck6 protocol driver Sergey Shtylyov
2023-03-18 18:55 ` Ondrej Zary
2023-03-19 20:02 ` Sergey Shtylyov
2023-03-22 12:10 ` Ondrej Zary
2023-03-22 22:34 ` Damien Le Moal
2023-03-26 9:08 ` Sudip Mukherjee
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