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authorManu Abraham <abraham.manu@gmail.com>2009-12-04 05:31:21 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-01-17 11:55:40 -0200
commitb29f6ac248e49d8425aa91afb1b53d1f6d47ebe3 (patch)
tree6296c2dbdfc9549aaa5396ae67e93827aa0aaef8 /drivers
parentc63e507346c042af7fe26d49bbbdce9898ea3eea (diff)
V4L/DVB (13781): [Mantis CA] Bug: Fix wrong usage of HIFRDWRN
Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/dvb/mantis/mantis_hif.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/media/dvb/mantis/mantis_hif.c b/drivers/media/dvb/mantis/mantis_hif.c
index 323d1fb0a55e..3368253aea6c 100644
--- a/drivers/media/dvb/mantis/mantis_hif.c
+++ b/drivers/media/dvb/mantis/mantis_hif.c
@@ -53,7 +53,6 @@ static int mantis_hif_sbuf_opdone_wait(struct mantis_ca *ca)
}
dprintk(verbose, MANTIS_DEBUG, 1, "Smart Buffer Operation complete");
ca->hif_event &= ~MANTIS_SBUF_OPDONE;
- udelay(5);
return rc;
}
@@ -93,17 +92,16 @@ int mantis_hif_read_mem(struct mantis_ca *ca, u32 addr)
u32 hif_addr = 0, data, count = 4;
dprintk(verbose, MANTIS_DEBUG, 1, "Adapter(%d) Slot(0): Request HIF Mem Read", mantis->num);
- hif_addr |= MANTIS_GPIF_HIFRDWRN;
hif_addr &= ~MANTIS_GPIF_PCMCIAREG;
hif_addr &= ~MANTIS_GPIF_PCMCIAIOM;
+ hif_addr |= MANTIS_HIF_STATUS;
hif_addr |= addr;
- mmwrite(hif_addr | MANTIS_HIF_STATUS, MANTIS_GPIF_BRADDR);
+ mmwrite(hif_addr, MANTIS_GPIF_BRADDR);
mmwrite(count, MANTIS_GPIF_BRBYTES);
-
udelay(20);
+ mmwrite(hif_addr | MANTIS_GPIF_HIFRDWRN, MANTIS_GPIF_ADDR);
- mmwrite(hif_addr, MANTIS_GPIF_ADDR);
if (mantis_hif_sbuf_opdone_wait(ca) != 0) {
dprintk(verbose, MANTIS_ERROR, 1, "Adapter(%d) Slot(0): GPIF Smart Buffer operation failed", mantis->num);
return -EREMOTEIO;
@@ -123,10 +121,11 @@ int mantis_hif_write_mem(struct mantis_ca *ca, u32 addr, u8 data)
hif_addr &= ~MANTIS_GPIF_HIFRDWRN;
hif_addr &= ~MANTIS_GPIF_PCMCIAREG;
hif_addr &= ~MANTIS_GPIF_PCMCIAIOM;
- hif_addr |= addr;
+ hif_addr |= MANTIS_HIF_STATUS;
+ hif_addr |= addr;
mmwrite(slot->slave_cfg, MANTIS_GPIF_CFGSLA); /* Slot0 alone for now */
- mmwrite(hif_addr | MANTIS_HIF_STATUS, MANTIS_GPIF_ADDR);
+ mmwrite(hif_addr, MANTIS_GPIF_ADDR);
mmwrite(data, MANTIS_GPIF_DOUT);
if (mantis_hif_write_wait(ca) != 0) {
@@ -145,16 +144,14 @@ int mantis_hif_read_iom(struct mantis_ca *ca, u32 addr)
dprintk(verbose, MANTIS_DEBUG, 1, "Adapter(%d) Slot(0): Request HIF I/O Read", mantis->num);
hif_addr &= ~MANTIS_GPIF_PCMCIAREG;
- hif_addr |= MANTIS_GPIF_HIFRDWRN;
hif_addr |= MANTIS_GPIF_PCMCIAIOM;
+ hif_addr |= MANTIS_HIF_STATUS;
hif_addr |= addr;
- mmwrite(hif_addr | MANTIS_HIF_STATUS, MANTIS_GPIF_BRADDR);
+ mmwrite(hif_addr, MANTIS_GPIF_BRADDR);
mmwrite(1, MANTIS_GPIF_BRBYTES);
-
udelay(20);
-
- mmwrite(hif_addr | MANTIS_HIF_STATUS, MANTIS_GPIF_ADDR);
+ mmwrite(hif_addr | MANTIS_GPIF_HIFRDWRN, MANTIS_GPIF_ADDR);
if (mantis_hif_sbuf_opdone_wait(ca) != 0) {
dprintk(verbose, MANTIS_ERROR, 1, "Adapter(%d) Slot(0): HIF Smart Buffer operation failed", mantis->num);
@@ -176,9 +173,10 @@ int mantis_hif_write_iom(struct mantis_ca *ca, u32 addr, u8 data)
hif_addr &= ~MANTIS_GPIF_PCMCIAREG;
hif_addr &= ~MANTIS_GPIF_HIFRDWRN;
hif_addr |= MANTIS_GPIF_PCMCIAIOM;
+ hif_addr |= MANTIS_HIF_STATUS;
hif_addr |= addr;
- mmwrite(hif_addr | MANTIS_HIF_STATUS, MANTIS_GPIF_ADDR);
+ mmwrite(hif_addr, MANTIS_GPIF_ADDR);
mmwrite(data, MANTIS_GPIF_DOUT);
if (mantis_hif_write_wait(ca) != 0) {