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Release 4.14 drivers/bcma/driver_chipcommon_b.c

Directory: drivers/bcma
/*
 * Broadcom specific AMBA
 * ChipCommon B Unit driver
 *
 * Copyright 2014, Hauke Mehrtens <hauke@hauke-m.de>
 *
 * Licensed under the GNU/GPL. See COPYING for details.
 */

#include "bcma_private.h"
#include <linux/export.h>
#include <linux/bcma/bcma.h>


static bool bcma_wait_reg(struct bcma_bus *bus, void __iomem *addr, u32 mask, u32 value, int timeout) { unsigned long deadline = jiffies + timeout; u32 val; do { val = readl(addr); if ((val & mask) == value) return true; cpu_relax(); udelay(10); } while (!time_after_eq(jiffies, deadline)); bcma_err(bus, "Timeout waiting for register %p\n", addr); return false; }

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PersonTokensPropCommitsCommitProp
Hauke Mehrtens90100.00%1100.00%
Total90100.00%1100.00%


void bcma_chipco_b_mii_write(struct bcma_drv_cc_b *ccb, u32 offset, u32 value) { struct bcma_bus *bus = ccb->core->bus; void __iomem *mii = ccb->mii; writel(offset, mii + BCMA_CCB_MII_MNG_CTL); bcma_wait_reg(bus, mii + BCMA_CCB_MII_MNG_CTL, 0x0100, 0x0000, 100); writel(value, mii + BCMA_CCB_MII_MNG_CMD_DATA); bcma_wait_reg(bus, mii + BCMA_CCB_MII_MNG_CTL, 0x0100, 0x0000, 100); }

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PersonTokensPropCommitsCommitProp
Hauke Mehrtens7184.52%150.00%
Rafał Miłecki1315.48%150.00%
Total84100.00%2100.00%

EXPORT_SYMBOL_GPL(bcma_chipco_b_mii_write);
int bcma_core_chipcommon_b_init(struct bcma_drv_cc_b *ccb) { if (ccb->setup_done) return 0; ccb->setup_done = 1; ccb->mii = ioremap_nocache(ccb->core->addr_s[1], BCMA_CORE_SIZE); if (!ccb->mii) return -ENOMEM; return 0; }

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PersonTokensPropCommitsCommitProp
Hauke Mehrtens57100.00%1100.00%
Total57100.00%1100.00%


void bcma_core_chipcommon_b_free(struct bcma_drv_cc_b *ccb) { if (ccb->mii) iounmap(ccb->mii); }

Contributors

PersonTokensPropCommitsCommitProp
Hauke Mehrtens23100.00%1100.00%
Total23100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Hauke Mehrtens25695.17%150.00%
Rafał Miłecki134.83%150.00%
Total269100.00%2100.00%
Directory: drivers/bcma
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