Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

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

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

drivers/staging/slicoss/slicoss.c

+2 −1
Original line number Diff line number Diff line
@@ -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,