Commit 0783c636 authored by David Matlack's avatar David Matlack Committed by Greg Kroah-Hartman

staging: slicoss: fix 64-bit isr address bug

This patch fixes a bug that only manifests when the physical address of
the interrupt status register is >4GB. Specifically, the driver was only
telling the device about the lower 32 bits of the ISR. This patch adds
the upper 32 bits.
Signed-off-by: default avatarDavid Matlack <dmatlack@google.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9bc97445
......@@ -2814,7 +2814,8 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
spin_lock_irqsave(&adapter->bit64reglock.lock,
adapter->bit64reglock.flags);
slic_reg32_write(&slic_regs->slic_addr_upper, 0, DONT_FLUSH);
slic_reg32_write(&slic_regs->slic_addr_upper,
SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH);
slic_reg32_write(&slic_regs->slic_isp,
SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
spin_unlock_irqrestore(&adapter->bit64reglock.lock,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment