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net: remove comments that mention obsolete __SLOW_DOWN_IO

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The only remaining definitions of __SLOW_DOWN_IO (for alpha and ia64) do
nothing, and the only mentions in networking are in comments.  Remove these
mentions.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Bjorn Helgaas 2022-04-25 16:26:44 -05:00 committed by Jakub Kicinski
parent dac173db11
commit e39f63fe0d
3 changed files with 0 additions and 9 deletions
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5
drivers/atm/nicstarmac.c
View File

@ -14,11 +14,6 @@ typedef void __iomem *virt_addr_t;
#define CYCLE_DELAY 5 #define CYCLE_DELAY 5
/*
This was the original definition
#define osp_MicroDelay(microsec) \
do { int _i = 4*microsec; while (--_i > 0) { __SLOW_DOWN_IO; }} while (0)
*/
#define osp_MicroDelay(microsec) {unsigned long useconds = (microsec); \ #define osp_MicroDelay(microsec) {unsigned long useconds = (microsec); \
udelay((useconds));} udelay((useconds));}
/* /*

2
drivers/net/ethernet/dec/tulip/winbond-840.c
View File

@ -474,8 +474,6 @@ err_out_netdev:
No extra delay is needed with 33Mhz PCI, but future 66Mhz access may need No extra delay is needed with 33Mhz PCI, but future 66Mhz access may need
a delay. Note that pre-2.0.34 kernels had a cache-alignment bug that a delay. Note that pre-2.0.34 kernels had a cache-alignment bug that
made udelay() unreliable. made udelay() unreliable.
The old method of using an ISA access as a delay, __SLOW_DOWN_IO__, is
deprecated.
*/ */
#define eeprom_delay(ee_addr) ioread32(ee_addr) #define eeprom_delay(ee_addr) ioread32(ee_addr)

2
drivers/net/ethernet/natsemi/natsemi.c
View File

@ -989,8 +989,6 @@ static int natsemi_probe1(struct pci_dev *pdev, const struct pci_device_id *ent)
No extra delay is needed with 33Mhz PCI, but future 66Mhz access may need No extra delay is needed with 33Mhz PCI, but future 66Mhz access may need
a delay. Note that pre-2.0.34 kernels had a cache-alignment bug that a delay. Note that pre-2.0.34 kernels had a cache-alignment bug that
made udelay() unreliable. made udelay() unreliable.
The old method of using an ISA access as a delay, __SLOW_DOWN_IO__, is
deprecated.
*/ */
#define eeprom_delay(ee_addr) readl(ee_addr) #define eeprom_delay(ee_addr) readl(ee_addr)