From: Aaro Koskinen Date: Sun, 22 Mar 2015 15:37:46 +0000 (+0200) Subject: staging: octeon-usb: eliminate 64-bit register access wrappers X-Git-Tag: drm-fsl-dcu-for-next~3442^2~138^2~127 X-Git-Url: http://git.agner.ch/gitweb/?p=linux-drm-fsl-dcu.git;a=commitdiff_plain;h=c4bdbdd916036effd90b18165819879b01c1fed8 staging: octeon-usb: eliminate 64-bit register access wrappers Eliminate 64-bit register access wrappers. Since we don't implement register-level debugging outputs, these are useless. Signed-off-by: Aaro Koskinen Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/octeon-usb/octeon-hcd.c b/drivers/staging/octeon-usb/octeon-hcd.c index 169bc099f14c..239606555db7 100644 --- a/drivers/staging/octeon-usb/octeon-hcd.c +++ b/drivers/staging/octeon-usb/octeon-hcd.c @@ -581,38 +581,6 @@ static inline void __cvmx_usb_write_csr32(struct cvmx_usb_state *usb, cvmx_read64_uint64(CVMX_USBNX_DMA0_INB_CHN0(usb->index)); } - -/** - * Read a USB 64bit CSR. It logs the value in a readable format if - * debugging is on. - * - * @usb: USB block this access is for - * @address: 64bit address to read - * - * Returns: Result of the read - */ -static inline uint64_t __cvmx_usb_read_csr64(struct cvmx_usb_state *usb, - uint64_t address) -{ - uint64_t result = cvmx_read64_uint64(address); - return result; -} - - -/** - * Write a USB 64bit CSR. It logs the value in a readable format - * if debugging is on. - * - * @usb: USB block this access is for - * @address: 64bit address to write - * @value: Value to write - */ -static inline void __cvmx_usb_write_csr64(struct cvmx_usb_state *usb, - uint64_t address, uint64_t value) -{ - cvmx_write64_uint64(address, value); -} - /** * Return non zero if this pipe connects to a non HIGH speed * device through a high speed hub. @@ -683,8 +651,7 @@ static int cvmx_usb_initialize(struct cvmx_usb_state *usb, * 2a. Write USBN0/1_CLK_CTL[POR] = 1 and * USBN0/1_CLK_CTL[HRST,PRST,HCLK_RST] = 0 */ - usbn_clk_ctl.u64 = - __cvmx_usb_read_csr64(usb, CVMX_USBNX_CLK_CTL(usb->index)); + usbn_clk_ctl.u64 = cvmx_read64_uint64(CVMX_USBNX_CLK_CTL(usb->index)); usbn_clk_ctl.s.por = 1; usbn_clk_ctl.s.hrst = 0; usbn_clk_ctl.s.prst = 0; @@ -747,12 +714,10 @@ static int cvmx_usb_initialize(struct cvmx_usb_state *usb, usbn_clk_ctl.s.divide = divisor; usbn_clk_ctl.s.divide2 = 0; } - __cvmx_usb_write_csr64(usb, CVMX_USBNX_CLK_CTL(usb->index), - usbn_clk_ctl.u64); + cvmx_write64_uint64(CVMX_USBNX_CLK_CTL(usb->index), usbn_clk_ctl.u64); /* 2d. Write USBN0/1_CLK_CTL[HCLK_RST] = 1 */ usbn_clk_ctl.s.hclk_rst = 1; - __cvmx_usb_write_csr64(usb, CVMX_USBNX_CLK_CTL(usb->index), - usbn_clk_ctl.u64); + cvmx_write64_uint64(CVMX_USBNX_CLK_CTL(usb->index), usbn_clk_ctl.u64); /* 2e. Wait 64 core-clock cycles for HCLK to stabilize */ cvmx_wait(64); /* @@ -761,8 +726,7 @@ static int cvmx_usb_initialize(struct cvmx_usb_state *usb, * USBN_CLK_CTL[POR] = 0 */ usbn_clk_ctl.s.por = 0; - __cvmx_usb_write_csr64(usb, CVMX_USBNX_CLK_CTL(usb->index), - usbn_clk_ctl.u64); + cvmx_write64_uint64(CVMX_USBNX_CLK_CTL(usb->index), usbn_clk_ctl.u64); /* 4. Wait 1 ms for PHY clock to start */ mdelay(1); /* @@ -770,11 +734,11 @@ static int cvmx_usb_initialize(struct cvmx_usb_state *usb, * USBP control and status register: * USBN_USBP_CTL_STATUS[ATE_RESET] = 1 */ - usbn_usbp_ctl_status.u64 = __cvmx_usb_read_csr64(usb, - CVMX_USBNX_USBP_CTL_STATUS(usb->index)); + usbn_usbp_ctl_status.u64 = + cvmx_read64_uint64(CVMX_USBNX_USBP_CTL_STATUS(usb->index)); usbn_usbp_ctl_status.s.ate_reset = 1; - __cvmx_usb_write_csr64(usb, CVMX_USBNX_USBP_CTL_STATUS(usb->index), - usbn_usbp_ctl_status.u64); + cvmx_write64_uint64(CVMX_USBNX_USBP_CTL_STATUS(usb->index), + usbn_usbp_ctl_status.u64); /* 6. Wait 10 cycles */ cvmx_wait(10); /* @@ -782,23 +746,22 @@ static int cvmx_usb_initialize(struct cvmx_usb_state *usb, * USBN_USBP_CTL_STATUS[ATE_RESET] = 0 */ usbn_usbp_ctl_status.s.ate_reset = 0; - __cvmx_usb_write_csr64(usb, CVMX_USBNX_USBP_CTL_STATUS(usb->index), - usbn_usbp_ctl_status.u64); + cvmx_write64_uint64(CVMX_USBNX_USBP_CTL_STATUS(usb->index), + usbn_usbp_ctl_status.u64); /* * 8. Program the PHY reset field in the USBN clock-control register: * USBN_CLK_CTL[PRST] = 1 */ usbn_clk_ctl.s.prst = 1; - __cvmx_usb_write_csr64(usb, CVMX_USBNX_CLK_CTL(usb->index), - usbn_clk_ctl.u64); + cvmx_write64_uint64(CVMX_USBNX_CLK_CTL(usb->index), usbn_clk_ctl.u64); /* * 9. Program the USBP control and status register to select host or * device mode. USBN_USBP_CTL_STATUS[HST_MODE] = 0 for host, = 1 for * device */ usbn_usbp_ctl_status.s.hst_mode = 0; - __cvmx_usb_write_csr64(usb, CVMX_USBNX_USBP_CTL_STATUS(usb->index), - usbn_usbp_ctl_status.u64); + cvmx_write64_uint64(CVMX_USBNX_USBP_CTL_STATUS(usb->index), + usbn_usbp_ctl_status.u64); /* 10. Wait 1 us */ udelay(1); /* @@ -806,12 +769,10 @@ static int cvmx_usb_initialize(struct cvmx_usb_state *usb, * USBN_CLK_CTL[HRST] = 1 */ usbn_clk_ctl.s.hrst = 1; - __cvmx_usb_write_csr64(usb, CVMX_USBNX_CLK_CTL(usb->index), - usbn_clk_ctl.u64); + cvmx_write64_uint64(CVMX_USBNX_CLK_CTL(usb->index), usbn_clk_ctl.u64); /* 12. Proceed to USB core initialization */ usbn_clk_ctl.s.enable = 1; - __cvmx_usb_write_csr64(usb, CVMX_USBNX_CLK_CTL(usb->index), - usbn_clk_ctl.u64); + cvmx_write64_uint64(CVMX_USBNX_CLK_CTL(usb->index), usbn_clk_ctl.u64); udelay(1); /* @@ -969,15 +930,13 @@ static int cvmx_usb_shutdown(struct cvmx_usb_state *usb) return -EBUSY; /* Disable the clocks and put them in power on reset */ - usbn_clk_ctl.u64 = __cvmx_usb_read_csr64(usb, - CVMX_USBNX_CLK_CTL(usb->index)); + usbn_clk_ctl.u64 = cvmx_read64_uint64(CVMX_USBNX_CLK_CTL(usb->index)); usbn_clk_ctl.s.enable = 1; usbn_clk_ctl.s.por = 1; usbn_clk_ctl.s.hclk_rst = 1; usbn_clk_ctl.s.prst = 0; usbn_clk_ctl.s.hrst = 0; - __cvmx_usb_write_csr64(usb, CVMX_USBNX_CLK_CTL(usb->index), - usbn_clk_ctl.u64); + cvmx_write64_uint64(CVMX_USBNX_CLK_CTL(usb->index), usbn_clk_ctl.u64); return 0; } @@ -1286,13 +1245,12 @@ static void __cvmx_usb_poll_rx_fifo(struct cvmx_usb_state *usb) return; /* Get where the DMA engine would have written this data */ - address = __cvmx_usb_read_csr64(usb, - CVMX_USBNX_DMA0_INB_CHN0(usb->index) + channel*8); + address = cvmx_read64_uint64(CVMX_USBNX_DMA0_INB_CHN0(usb->index) + + channel * 8); ptr = cvmx_phys_to_ptr(address); - __cvmx_usb_write_csr64(usb, - CVMX_USBNX_DMA0_INB_CHN0(usb->index) + channel*8, - address + bytes); + cvmx_write64_uint64(CVMX_USBNX_DMA0_INB_CHN0(usb->index) + channel * 8, + address + bytes); /* Loop writing the FIFO data for this packet into memory */ while (bytes > 0) { @@ -1448,8 +1406,9 @@ static void __cvmx_usb_fill_tx_fifo(struct cvmx_usb_state *usb, int channel) fifo = &usb->nonperiodic; fifo->entry[fifo->head].channel = channel; - fifo->entry[fifo->head].address = __cvmx_usb_read_csr64(usb, - CVMX_USBNX_DMA0_OUTB_CHN0(usb->index) + channel*8); + fifo->entry[fifo->head].address = + cvmx_read64_uint64(CVMX_USBNX_DMA0_OUTB_CHN0(usb->index) + + channel * 8); fifo->entry[fifo->head].size = (usbc_hctsiz.s.xfersize+3)>>2; fifo->head++; if (fifo->head > MAX_CHANNELS) @@ -1503,9 +1462,9 @@ static void __cvmx_usb_start_channel_control(struct cvmx_usb_state *usb, * Setup send the control header instead of the buffer data. The * buffer data will be used in the next stage */ - __cvmx_usb_write_csr64(usb, - CVMX_USBNX_DMA0_OUTB_CHN0(usb->index) + channel*8, - transaction->control_header); + cvmx_write64_uint64(CVMX_USBNX_DMA0_OUTB_CHN0(usb->index) + + channel * 8, + transaction->control_header); break; case CVMX_USB_STAGE_SETUP_SPLIT_COMPLETE: usbc_hctsiz.s.pid = 3; /* Setup */ @@ -1696,13 +1655,12 @@ static void __cvmx_usb_start_channel(struct cvmx_usb_state *usb, transaction->iso_packets[0].offset + transaction->actual_bytes; - __cvmx_usb_write_csr64(usb, - CVMX_USBNX_DMA0_OUTB_CHN0(usb->index) + channel*8, - dma_address); - - __cvmx_usb_write_csr64(usb, - CVMX_USBNX_DMA0_INB_CHN0(usb->index) + channel*8, - dma_address); + cvmx_write64_uint64(CVMX_USBNX_DMA0_OUTB_CHN0(usb->index) + + channel * 8, + dma_address); + cvmx_write64_uint64(CVMX_USBNX_DMA0_INB_CHN0(usb->index) + + channel * 8, + dma_address); } /* Setup both the size of the transfer and the SPLIT characteristics */