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ddr: altera: sdram: Clean up compute_errata_rows() part 1
Clean up weird parenthesis and odd type casts from the function. Fix comment style. Signed-off-by: Marek Vasut <marex@denx.de>
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@ -54,13 +54,14 @@ static int compute_errata_rows(unsigned long long memsize, int cs, int width,
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debug("workaround rows - banks %d\n", banks);
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debug("workaround rows - banks %d\n", banks);
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debug("workaround rows - cols %d\n", cols);
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debug("workaround rows - cols %d\n", cols);
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newrows = lldiv(memsize, (cs * (width / 8)));
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newrows = lldiv(memsize, cs * (width / 8));
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debug("rows workaround - term1 %lld\n", newrows);
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debug("rows workaround - term1 %lld\n", newrows);
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newrows = lldiv(newrows, ((1 << banks) * (1 << cols)));
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newrows = lldiv(newrows, (1 << banks) * (1 << cols));
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debug("rows workaround - term2 %lld\n", newrows);
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debug("rows workaround - term2 %lld\n", newrows);
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/* Compute the hamming weight - same as number of bits set.
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/*
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* Compute the hamming weight - same as number of bits set.
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* Need to see if result is ordinal power of 2 before
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* Need to see if result is ordinal power of 2 before
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* attempting log2 of result.
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* attempting log2 of result.
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*/
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*/
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@ -78,13 +79,12 @@ static int compute_errata_rows(unsigned long long memsize, int cs, int width,
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return rows;
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return rows;
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}
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}
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inewrowslog2 = __ilog2((unsigned int)newrows);
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inewrowslog2 = __ilog2(newrows);
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debug("rows workaround - ilog2 %d, %d\n", inewrowslog2,
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debug("rows workaround - ilog2 %d, %lld\n", inewrowslog2, newrows);
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(int)newrows);
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if (inewrowslog2 == -1) {
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if (inewrowslog2 == -1) {
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printf("SDRAM workaround failed, newrows %d\n", (int)newrows);
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printf("SDRAM workaround failed, newrows %lld\n", newrows);
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return rows;
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return rows;
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}
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}
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