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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2023-08-31 02:06:38 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2023-08-31 02:06:38 +0300
commit1ac731c529cd4d6adbce134754b51ff7d822b145 (patch)
tree143ab3f35ca5f3b69f583c84e6964b17139c2ec1 /drivers/parport/parport_pc.c
parent07b4c950f27bef0362dc6ad7ee713aab61d58149 (diff)
parent54116d442e001e1b6bd482122043b1870998a1f3 (diff)
downloadlinux-1ac731c529cd4d6adbce134754b51ff7d822b145.tar.xz
Merge branch 'next' into for-linus
Prepare input updates for 6.6 merge window.
Diffstat (limited to 'drivers/parport/parport_pc.c')
-rw-r--r--drivers/parport/parport_pc.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index 88e125e36230..3bacbaf16f42 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -305,9 +305,15 @@ static size_t parport_pc_epp_read_data(struct parport *port, void *buf,
}
return got;
}
- if ((flags & PARPORT_EPP_FAST) && (length > 1)) {
- if (!(((long)buf | length) & 0x03))
+ if ((length > 1) && ((flags & PARPORT_EPP_FAST_32)
+ || flags & PARPORT_EPP_FAST_16
+ || flags & PARPORT_EPP_FAST_8)) {
+ if ((flags & PARPORT_EPP_FAST_32)
+ && !(((long)buf | length) & 0x03))
insl(EPPDATA(port), buf, (length >> 2));
+ else if ((flags & PARPORT_EPP_FAST_16)
+ && !(((long)buf | length) & 0x01))
+ insw(EPPDATA(port), buf, length >> 1);
else
insb(EPPDATA(port), buf, length);
if (inb(STATUS(port)) & 0x01) {
@@ -334,9 +340,15 @@ static size_t parport_pc_epp_write_data(struct parport *port, const void *buf,
{
size_t written = 0;
- if ((flags & PARPORT_EPP_FAST) && (length > 1)) {
- if (!(((long)buf | length) & 0x03))
+ if ((length > 1) && ((flags & PARPORT_EPP_FAST_32)
+ || flags & PARPORT_EPP_FAST_16
+ || flags & PARPORT_EPP_FAST_8)) {
+ if ((flags & PARPORT_EPP_FAST_32)
+ && !(((long)buf | length) & 0x03))
outsl(EPPDATA(port), buf, (length >> 2));
+ else if ((flags & PARPORT_EPP_FAST_16)
+ && !(((long)buf | length) & 0x01))
+ outsw(EPPDATA(port), buf, length >> 1);
else
outsb(EPPDATA(port), buf, length);
if (inb(STATUS(port)) & 0x01) {