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Commit 87a8c8cb authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
Browse files

b43: HT-PHY: allow writing longer tables with a single call 



Sometimes we need to write table which is 2-10 elements long. It's
easier to create such a function instead of defining array every time.

Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 98f8dc72

drivers/net/wireless/b43/tables_phy_ht.c

+45 −0
Original line number Diff line number Diff line
@@ -710,6 +710,51 @@ void b43_httab_write(struct b43_wldev *dev, u32 offset, u32 value) 
	return;

}



void b43_httab_write_few(struct b43_wldev *dev, u32 offset, size_t num, ...)

{

	va_list args;

	u32 type, value;

	unsigned int i;



	type = offset & B43_HTTAB_TYPEMASK;

	offset &= 0xFFFF;



	va_start(args, num);

	switch (type) {

	case B43_HTTAB_8BIT:

		b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);

		for (i = 0; i < num; i++) {

			value = va_arg(args, int);

			B43_WARN_ON(value & ~0xFF);

			b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value);

		}

		break;

	case B43_HTTAB_16BIT:

		b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);

		for (i = 0; i < num; i++) {

			value = va_arg(args, int);

			B43_WARN_ON(value & ~0xFFFF);

			b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, value);

		}

		break;

	case B43_HTTAB_32BIT:

		b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, offset);

		for (i = 0; i < num; i++) {

			value = va_arg(args, int);

			b43_phy_write(dev, B43_PHY_HT_TABLE_DATAHI,

				      value >> 16);

			b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO,

				      value & 0xFFFF);

		}

		break;

	default:

		B43_WARN_ON(1);

	}

	va_end(args);



	return;

}



void b43_httab_write_bulk(struct b43_wldev *dev, u32 offset,

			  unsigned int nr_elements, const void *_data)

{

drivers/net/wireless/b43/tables_phy_ht.h

+1 −0
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ u32 b43_httab_read(struct b43_wldev *dev, u32 offset); 
void b43_httab_read_bulk(struct b43_wldev *dev, u32 offset,

			 unsigned int nr_elements, void *_data);

void b43_httab_write(struct b43_wldev *dev, u32 offset, u32 value);

void b43_httab_write_few(struct b43_wldev *dev, u32 offset, size_t num, ...);

void b43_httab_write_bulk(struct b43_wldev *dev, u32 offset,

			  unsigned int nr_elements, const void *_data);